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Laura A. Moore Westbrook, African American Educator, Half-Length Seated Portrait, Tintype Photograph, 1870's

Josephine Silone Yates, African American Educator and Activist, Seated Portrait, Cabinet Card, New Photographic Art Company, 1885

Mary Church Terrell (1863-1954), one of the First African-American Women to Earn a College Degree, National Activist for Civil Rights and Suffrage, Seated Portrait

Sojourner Truth (1797-1883), Abolitionist and Women's Rights Activist, Seated Portrait, Randall Studio, 1870

Sarah Margaret Fuller (1810-50), American Journalist, Critic and Women's Rights Activist, Engraving from the original painting by Alonzo Chappel, 1972

Frederick Douglass (1818-95), American Social Reformer, Abolitionist and Statesman, Half-Length Portrait, Photograph by George Francis Schreiber, 1870

Mathilde Krim (1926-2018) Medical Researcher and founding Chairman of American Foundation for AIDS Research (amfAR), seated Portrait, 1987

Alice Paul (1885-1977), American Suffragist, Feminist, and Women's Rights Activist, Portrait, Harris & Ewing, June 1919

Alice Paul (1885-1977), American Suffragist, Feminist, and Women's Rights Activist, Portrait, Underwood, Bain News Service, 1920's

Abraham Halikman, seated outdoors in a chair, with 2 placards, in protest against Lincoln Square development plan, New York City, New York, USA, photograph by John Bottega, September 11, 1957

Alice Paul, American Suffragist, Feminist, and Women's Rights Activist, Portrait, Harris & Ewing, 1919

Sojourner Truth (1797-1883), Abolitionist and Women's Rights Activist, Seated Portrait, 1864

Portrait of Seated Adult Woman, Tintype, circa 1870

Mary Church Terrell, American activist and educator

Fannie Barrier Williams (1855-1944), African American Educator and Activist, Cabinet Card, Paul Tralles, 1885

Robert Lincoln, Son of Abraham Lincoln, Half-Length Seated Portrait, 1870's

Sidney Taliaferro (1854-1927), former Student and Protege of Emily Howland, Half-length Seated Portrait by H.D. Garns & Co., 1881

James A. Garfield (1831-81), 20th President of the United States, Half-Length Seated Portrait, Mathew B. Brady, Brady-Handy Collection, 1870-80

James A. Garfield (1831-81), 20th President of the United States, Half-Length Seated Portrait, Mathew B. Brady, Brady-Handy Collection, 1870-80

Rutherford B. Hayes (1822-93), 19th President of the United States 1877-81, Half-Length Portrait, Photograph, Brady-Handy Collection, 1870's

Full-Length Seated Portrait of Abraham Lincoln, his first sitting for a Portrait, Washington DC, USA, Photograph by Alexander Gardner, 1861

Margaret Sanger (1879-1966), American Birth Control Activist, Sex Educator and Nurse, Seated Portrait, Harris & Ewing, 1931

Margaret Sanger (1879-1966), American Birth Control Activist, Sex Educator and Nurse, Seated Portrait, Harris & Ewing, 1932

Nannie Helen Burroughs (1879-1961), African American Educator and Civil Rights Activist, Half-Length Portrait, Rotograph Co., 1909

Margaret Sanger (1879-1966), American Birth Control Activist, Sex Educator and Nurse, Seated Portrait, New York City, New York, USA, Bain News Service, 1916

Rutherford B. Hayes, (1822-93), 19th President of the United States 1877-81, head and shoulders Portrait, Mathew Brady Studio, 1877

American Civil War Surgeon Mary Edwards Walker, only Woman to Receive Medal of Honor, Full-Length Seated Portrait, by C.M. Bell, Washington DC, USA, 1911

Portrait of Two Young Women, One Seated, circa 1870

Anna Julia Cooper, US scholar and civil rights activist

Susan Bruce (1850-66), Student and Protege of Emily Howland, Full-Length Standing Portrait by Sylvanus .J. Fowler, Auburn, New York, USA, 1860's

John Tyler (1790-1862), Tenth President of the United States 1841-1845, Seated Portrait, Engraving, C.M. Bell, 1870's

Andrew Jackson (1767-1845), Seventh President of the United States, Seated Portrait, Engraving from an Original Painting by Alonzo Chappel, Johnson, Fry & Co., 1870

U.S. President Franklin Pierce (1804-69), three-quarter length Portrait, Seated, Facing Right with Hand inside Vest, Engraving, 1850's

George Washington (1732-99), First President of the United States, Half-Length Seated Portrait, Lithographer and Published by Endicott and Swett, 1830's

John Quincy Adams (1767-1848), Sixth President of the United States, Full-Length Seated Portrait, Lithograph created from a Daguerreotype by Philip Haas, 1843

James Monroe (1758-1831), 5th President of the United States, Half-Length Seated Portrait, Lithograph, D.W. Kellogg & Co., 1830's

Thomas Jefferson (1743-1826), Third President of the United States, Half-Length Seated Portrait, Lithograph, D.W. Kellogg & Co., 1830's

Benjamin Harrison (1833-1901), 23rd President of the United States 1889-93, Seated Profile Portrait, Photograph by George Prince, 1888

Benjamin Harrison (1833-1901), 23rd President of the United States 1889-93, Seated Portrait, Photograph by Charles Milton Bell, 1880's

James A. Garfield, President of the United States, Seated Portrait with Mother (left) and Wife (right), Lithograph, Kurz & Allison, 1881

U.S. President Rutherford B. Hayes (center) with his two older sons, (left to right) Webb Cook Hayes and Birchard Austin Hayes (eldest son), Full Length Portrait, Brady-Handy Collection, 1870's

Half-Length Seated Portrait of Abraham Lincoln, Photograph by Anthony Berger, February 9, 1864

Full-Length Seated Portrait of Abraham Lincoln, Photograph by Alexander Gardner, August 9, 1863

Full-Length Seated Portrait of U.S. President Abraham Lincoln, Photograph by Alexander Gardner, Washington DC, USA, 1861

Full-Length Seated Portrait of Abraham Lincoln, Washington DC, USA, Photograph by Alexander Gardner, November 8, 1863

Half-Length Seated Portrait of Abraham Lincoln, President, U.S., Photograph by Alexander Gardner, Washington DC, USA, 1865

Andrew Johnson (1808-75), 17th President of the United States, Full-Length Seated Portrait, Photograph by Alexander Gardner, 1866

U.S. President Abraham Lincoln, Full-Length Seated Portrait one week before he gave the Gettysburg Address, Photograph by Alexander Gardner, November 8, 1863

Ulysses S. Grant (1822-85), 18th President of the United States 1869-77, General of Union Army during American Civil War, Seated Portrait, Photograph by Mathew B. Brady, Brady-Handy Collection, 1870's

Half-Length Seated Portrait of Abraham Lincoln, Lithograph by Joseph E. Baker from a Photograph by M.B. Brady & Co., Printed and Published by Bufford's Print Publishing House, Boston, Massachusetts, 1865

Portrait of Harriet Tubman (1820-1913), American Abolitionist, by Benjamin F. Powelson, Auburn, New York, USA, 1868

Edith Roosevelt (1861-1948), First Lady of the United States 1901-1909 as Wife of U.S. President Theodore Roosevelt, Three-Quarter Length Seated Portrait, 1905

Edith Roosevelt (1861-1948), First Lady of the United States 1901-1909 as Wife of U.S. President Theodore Roosevelt, Seated Portrait holding Book, Photograph by S. Schloss, 1901

Lucy Webb Hayes, (1831-89), First Lady of the United States 1877-81, Wife of U.S. President Rutherford B. Hayes, Seated Portrait, Photograph, Brady-Handy Collection, 1870's

Edith Roosevelt (1861-1948), First Lady of the United States 1901-1909 as Wife of U.S. President Theodore Roosevelt, Full-Length Seated Portrait Holding Fan, Photograph by George Prince, 1903

Charlotte Perkins Gilman (1860-1935), American Humanist, Novelist, writer of Short Stories, Poetry and Nonfiction, and a lecturer for Social Reform, Seated Portrait, Frances Benjamin Johnston, 1900

Portrait of Family, Father Mother, and Son, Tintype, circa 1870

Frederick Douglass (1818-95), American Social Reformer, Abolitionist and Statesman, Head and Shoulders Portrait, photographic reproduction by C.F. Conly of portrait by George Kendall Warren, 1876

William Howard Taft (seated center) and Classmates, Full-Length Group Portrait, Woodward High School, Cincinnati, Ohio, USA, early 1870's

U.S. President Millard Fillmore, Seated Portrait, Mathew Brady, Brady-Handy Collection, between 1855 and 1865

James K. Polk (1795-1849), 11th President of the United States, Seated Portrait, Mathew Brady, 1849

Andrew Jackson (1767-1845), Seventh President of the United States, Seated Portrait, Engraving from an Original Painting by Alonzo Chappel, Johnson, Wilson & Co. Publishers, 1874

M. Fillmore, Likeness from an Original Photograph from Life, Painted by Alonzo Chappel, Johnson, Fry & Co., Publishers, New York, 1862

General George Washington, Seated Portrait Holding Letter from Reverend Jacob Duche, Begging Washington to Negotiate for Peace with the British, Valley Forge, 1777 Engraving by Edward S. Best after 1851 Christian Schuessele Original Painting

George Washington (1732-99) First President of the United States, Full-Length Portrait, Engraved by William Sartain from a Painting by Gilbert Stuart, 1892

Andrew Johnson (1808-75), 17th President of the United States, Seated Portrait, Photograph by Alexander Gardner, Washington DC, USA, 1866

Andrew Johnson (1808-75), 17th President of the United States, Half-Length Portrait, Photograph, Mathew B. Brady, Brady-Handy Collection, Photographed 1865

Major General James Abram Garfield of 42nd Ohio Infantry Regiment and General Staff U.S. Volunteers Infantry Regiment, Seated Portrait in Uniform, Photograph by Charles D. Fredericks, 1861

Portrait of Young Adult Woman with Long Curly Hair, circa 1870

Portrait of Standing Adult Woman in Long Dress with Large Buttons, circa 1870

Sojourner Truth (1797-1883), Abolitionist and Women's Rights Activist, Seated Portrait, 1864

Little Robe, Cheyenne Indian, Seated Portrait, National Photo Company, early 1870's

Three-Quarter Length Seated Portrait of Abraham Lincoln, Delfarban Druck & Verlag, Berg & Porsch, Berlin

Alice Paul, American Suffragist, Feminist, and Women's Rights Activist, Portrait, Harris & Ewing, 1919

Josiah Thomas Walls (1842-1905), U.S. Congressman from Florida and one of the First African Americans elected during Reconstruction Era, Seated Portrait, Brady-Handy Collection, 1870's

William McKinley (1843-1901), 25th President of the United States 1897-1901, Seated Portrait, Photograph by Charles Milton Bell, between 1877 and 1889

William McKinley (1843-1901), 25th President of the United States 1897-1901, Seated Portrait, Photograph by Charles Milton Bell, between 1877 and 1889

Full-Length Seated Portrait of Abraham Lincoln Holding Eyeglasses and Paper, Washington DC, USA, Photograph by Alexander Gardner, August 9, 1863

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Half-Length Seated Portrait, Photograph by Moffett Studio, Chicago, 1910

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait, Photograph by C.M. Bell, 1903

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait on Porch, Photograph by Conrad M. Gilbert, April 1904

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait on Porch, Photograph by Conrad M. Gilbert, April 1904

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait, Photograph by C.M. Bell, 1903

Rutherford B. Hayes (1822-93), 19th President of the United States 1877-81, and his Wife Lucy Webb Hayes (1831-89), Carte de visite, 1870's

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait, Leaning on desk Holding Papers, Photograph by Barnett McFee Clinedinst, 1903

Full-length Portrait of African American Soldier in Uniform, Sitting next to Girl, by Albert Pollock, William A. Gladstone Collection of African American Photographs, between 1877 and 1890

Hugh McCulloch (1808-95), American Statesman and U.S. Treasury Secretary, Full-Length Seated Portrait, Photograph by Alexander Gardner, 1865

James M. Pendleton (1822-89), Member of U.S. House of Representatives from Rhode Island, Seated Portrait, Brady-Handy Photograph Collection, early 1870's

Susan B. Anthony, American women's rights activist

Susan B. Anthony, American women's rights activist

Julia Dent Grant (1826-1902), U.S. First Lady and wife of U.S. President Ulysses S. Grant, full-length seated Portrait, Mathew Brady Studio, 1864

Robert E. Lee (1807-70), American and Confederate Soldier, Commander of Confederate States Army during American Civil War 1862-65, Three-Quarter Length Seated Portrait, Photograph by Alexander Gardner, 1865

Full-length Portrait of an African American Boy Standing next to African American Girl, Seated with an Open Book, William A. Gladstone Collection of African American Photographs, late 1860's

Birth Control activist Margaret Sanger (1879-1966) with Fania Mindell inside Birth Control Clinic, Brownsville, Brooklyn, New York, USA, Bain News Service, 1916

Young Female Worker in Favorable Working Conditions, Half-Length Seated Portrait, Cheney Silk Mills, Lewis Hine for National Child Labor Committee, 1924

Young Female Worker in Favorable Working Conditions, Half-Length Seated Portrait, Cheney Silk Mills, Lewis Hine for National Child Labor Committee, 1924

Mary McLeod Bethune, American activist and educator

Andrew Johnson, President of the United States, Seated Portrait, Lithograph by P.S. Duval & Son, Published by Swander and Co., Philadelphia, 1866

Andrew Jackson, President of the United States, from the Original Painting by W.J. Hubard, Drawn on Stone by A. Newsam, Printed and Published by Lehman & Duval, Philadelphia, 1830

James Monroe, 5th President of the United States, Created from an Original Painting by Gilbert Stuart, Published by G. Endicott, New York, 1830's

George Washington (1732-99), First President of the United States, Head and Shoulders Portrait, Published by H. Hallett & Co., Portland, Maine, 1880

George Washington (1732-99), First President of the United States, Head and Shoulders Portrait, Engraved by T. Holloway from a Picture Painted by M. Stuart in 1795

James K. Polk, Freedom's Champion, 11th President of the United States, Lithograph, Sarony & Major, 1846

James K. Polk, Eleventh President of the United States, Lithograph and Published by N. Currier, 1846

General Franklin Pierce, Democratic Candidate for the Presidency, Lithograph by Wagner & McGuigan from a Daguerreotype by MA. Root, 1852

General Franklin Pierce, Fourteenth President of the United States, Lithograph by Nathaniel Currier, 1852

"A Serviceable Garment, or Reverie of a Bachelor", Political Cartoon featuring U.S. Presidential Candidate James Buchanan, Lithograph, Nathaniel Currier, 1856

Ex-President Grover Cleveland at home in Princeton, New Jersey, USA, Stereo Card, Underwood & Underwood, 1906

Grover Cleveland (1837-1908), 22nd and 24th U.S. President 1885-1889 and 1893-1897, Head and Shoulders Portrait, Pach Brothers Studio, 1907

Andrew Jackson (1767-1845), Seventh President of the United States, 1829-37, Portrait

Children Drawing at Desks in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

High Angle View of Children at Work in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

Group of Children Drawing at Desks in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

Schoolchildren, Lake Dick Project, Arkansas, USA, Russell Lee, Farm Security Administration, September 1938

Theodore Roosevelt, Seated Portrait as New York State Assemblyman, 1884

Theodore Roosevelt, Full-Length Portrait Seated in Chair Outdoor, August 1900

U.S. President Theodore Roosevelt, Seated Portrait by Henry, Washington DC, USA, early 1900's

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Half-Length Portrait Seated at Desk, 1905

Portrait of Seated Adult Woman Wearing Hat and Holding Parasol, Hand-Colored Tintype, circa 1870

Theodore Roosevelt (1858-1919) 26th President of the United States 1901-09, Three-Quarter Length Seated Portrait, Harris & Ewing, 1907

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait Outdoor, July 1903

Abraham Lincoln (1809-1865), American Politician, 16th President of the United States, half-length seated Portrait, Anthony Berger, Mathew Brady Studio, 1864

William Johnson, American Civil War Soldier, Seated Portrait in Uniform by Louis Frenzel, Washington DC, USA, 1865

William McKinley (1843-1901), 25th President of the United States 1897-1901, Seated Portrait, Photograph by Charles Milton Bell, between 1890's

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Seated Portrait at Desk, Photograph by Barnett McFee Clinedinst, 1904

Buffalo Soldier, 25th Infantry, Seated Portrait in Uniform Holding Hat, by Orlando Scott Goff, William A. Gladstone Collection of African American Photographs, 1880's

Two African American Union Soldiers, Seated Portrait with Arms around Each other's Shoulders, William A. Gladstone Collection of African American Photographs, 1860's

Frederick Douglass (1818-95), American Social Reformer, Abolitionist and Statesman, Half-Length Portrait, Stereo Card, Brady-Handy Collection, 1880

Theodore Roosevelt (1858-1919) 26th President of the United States 1901-09, Three-Quarter Length Portrait, Photograph by George Prince, May 11, 1907

Theodore Roosevelt (1858-1919) 26th President of the United States 1901-09, Three-Quarter Length Portrait, Photograph by Arthur Hewitt, June 7, 1901

Ulysses S. Grant (1822-85), 18th President of the United States 1869-77, General of Union Army during American Civil War, Seated Portrait, Photograph by Alexander Gardner, 1865

Ulysses S. Grant (1822-85), 18th President of the United States 1869-77, Seated Portrait while General of Union Army during American Civil War, Photograph by Mathew Brady, 1865

Frederick Douglass (1818-95), American Social Reformer, Abolitionist and Statesman, Head and Shoulders Portrait, photograph by John White Hurn, January 14, 1862

Buffalo Soldier, 25th Infantry, Full-Length Portrait in Uniform Holding Hat, Fort Custer, Montana, USA, by Orlando Scott Goff, William A. Gladstone Collection of African American Photographs, 1880's

Mignon Gunn, Female Factory Worker, Reconditioning used Spark Plugs to be re-used in Testing Military Aircraft Motors at Buick Plant Converted for War Product Production, Melrose Park, Illinois, USA, Ann Rosener, Office of War Information, July 1942

Two Female Factory Workers Reconditioning used Spark Plugs to be re-used in Testing Military Aircraft Motors at Buick Plant Converted for War Product Production, Melrose Park, Illinois, USA, Ann Rosener, Office of War Information, July 1942

British Captain Belfield, Half-Length Seated Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

Major General Zachary Taylor, Seated Portrait in Uniform during Mexican-American War 1846-48, Engraving, C.M. Bell, 1870's

Woman Holding Poster, "Abolish Prohibition!", USA, Harris & Ewing, 1931

George Pickett, General, Confederate States Army, American Civil War, Seated Portrait, Brady-Handy photograph collection, 1860's

U.S. UN Ambassador Daniel P. Moynihan and U.S. President Gerald Ford, seated Portrait, White House, Washington, D.C., USA, Marion S. Trikosko, August 27, 1975

U.S. Secretary of War William Howard Taft with Elihu Root, Photograph by Barnett McFee Clinedinst, 1904

William McKinley (1843-1901), 25th President of the United States 1897-1901, Seated Portrait, Photograph by Francis Benjamin Johnston, 1897

U.S. President Woodrow Wilson (far left) and his Cabinet Members Seated around Table, Washington, D.C., USA, Photograph by Barnett McFee Clinedinst, 1913

Henry Peter Brougham, 1st Baron Brougham and Vaux (1778-1868) British Statesman and Lord Chancellor of Great Britain, Seated Portrait, Engraving from Last Photograph of his Life

Grace Abbott, Chief of Children's Bureau of Department of Labor, Seated Portrait, National Photo Company, August 1929

U.S. Secretary of Labor Frances Perkins, Seated Portrait during Committee Meeting, Washington, D.C., USA, Harris & Ewing, April 1936

George W. McCrary (1835-90 ), Member of U.S. House of Representatives from Iowa and Secretary of War in the Cabinet of President Rutherford B. Hayes, Brady-Handy Photograph Collection, late 1870's

Nat King Cole, Half-Length Portrait playing Piano, photograph by William P. Gottlieb, June 1947

Mary Dimmick Harrison (1858-1948), 2nd Wife of Benjamin Harrison, 23rd President of the United States 1889-93, Seated Portrait, 1890's

Massachusetts Congressman Thomas P. "Tip" O'Neill, Half-Length Portrait sitting at Office Desk and holding Sheet Music, Washington, D.C., USA, photograph by Thomas J. O'Halloran, August 1957

Mrs. James Madison, Photograph of Painting by Gilbert Stuart, at Pennsylvania Academy of Fine Arts, Detroit Publishing Company, 1900

Edith Roosevelt (1861-1948), First Lady of the United States 1901-1909 as Wife of U.S. President Theodore Roosevelt, Seated Portrait at Desk, White House, Washington, D.C., USA, 1903

Robert E. Lee (1807-70), American and Confederate Soldier, Commander of Confederate States Army during American Civil War 1862-65, Full-Length Seated Portrait in Uniform he had Worn at the Surrender, Back Porch of his Home, Richmond, Virginia, Photo by Ma

High Angle View of Nat King Cole, Half-Length Portrait playing Piano, photograph by William P. Gottlieb, June 1947

Luig Moraque, a Pima Man, Half-length Seated Portrait Wearing Turban, Alexander Gardner, 1870's

Half-Length Portrait of African American Woman Wearing Hat and Holding Parasol, William A. Gladstone Collection of African American Photographs, 1860's

Mrs. Louise J. Ross, chairman of Branch no. 6, New Orleans Chapter of American Red Cross, successful in her work and recognized as the leader of her race in the South, New Orleans, Louisiana, USA, American National Red Cross Photograph Collection, Septemb

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-quarter Length Seated Portrait, Reading, Photograph by Waldon Fawcett, 1903

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Full-length Seated Portrait on Porch, Photograph by Conrad M. Gilbert, April 1904

Colonel Theodore Roosevelt, Full-Length Seated Portrait in Military Uniform, Montauk, New York, USA, Photograph by Siegel-Cooper Co., September 1898

Colonel Theodore Roosevelt, Half-Length Seated Portrait in Military Uniform, Montauk, New York, USA, Photograph by Frances Benjamin Johnston, August 1898

Colonel Theodore Roosevelt, Half-Length Seated Portrait in Military Uniform, Montauk, New York, USA, Photograph by Benjamin J. Falk, October 1898

Theodore Roosevelt (1858-1919), 26th President of the United States 1901-09, Three-Quarter Length Seated Portrait, Photograph by Underwood & Underwood, 1910's

Mary Todd Lincoln, Seated Portrait wearing Ball Gown and Holding Bouquet of Flowers, Photograph by Mathew Brady, Brady-Handy Photograph Collection, 1861

Miss Chapman, Seated Portrait of Woman in Long Dress with Sheer Cape and Veil, Photograph by Mathew Brady, Brady-Handy Collection, 1850's

William Howard Taft (1857-1930), 27th President of the United States 1909-1913, 10th Chief Justice of the United States 1921-1930, Three-Quarter Length Seated Photograph by Schervee & Bushong, 1910

Woodrow Wilson (1856-1924) 28th President of the United States 1913-1921, Three-Quarter Length Portrait seated at desk in White House Oval Office, Washington, D.C., USA, Photograph by Harris & Ewing, 1913-1917

Woodrow Wilson (1856-1924) 28th President of the United States 1913-1921, Half-Length Portrait seated at desk in White House Oval Office, Washington, D.C., USA, Photograph by Harris & Ewing, 1913-1917

Woodrow Wilson (1856-1924) 28th President of the United States 1913-1921, Half-Length Portrait seated at desk in White House Oval Office, Washington, D.C., USA, Photograph by Harris & Ewing, 1913-1917

Woodrow Wilson (1856-1924) 28th President of the United States 1913-1921, Three-Quarter Length Portrait seated at desk in White House Oval Office, Washington, D.C., USA, Photograph by Harris & Ewing, 1913-1917

Hallie Quinn Brown (1849-1949), African American Educator, Writer and Activist, Three-Quarter Length Portrait, Cabinet Card, Fred S. Biddle, 1880's

Booker T. Washington, Seated Portrait, Washington DC, USA, Harris & Ewing, January 1909

Singing Class, Siloam, Greene County, USA, Jack Delano, U.S. Farm Security Administration, October 1941

Jane Addams, US social worker and activist

Four African American Women Sitting on Steps of Atlanta University, Atlanta, Georgia, USA, Thomas E. Askew, W.E.B. DuBois collection, 1900

Practice School Teachers, Portrait, Howard University, Washington DC, USA, 1900

Madagascar, Fianarantsoa, Young people attending a teacher training

Mary McLeod Bethune (1875-1955), Educator and Civil Rights Leader, Portrait, photograph by Carl Van Vechten, 1949

Mary McLeod Bethune (1875-1955), Educator and Civil Rights Leader, Portrait, photograph by Carl Van Vechten, 1949

U.S. President Herbert Hoover and First Lady Lou Henry Hoover, Outdoor Seated Portrait, Washington DC, USA, National Photo Company, 1929

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

Discussion between two Croats, Full-Length Seated Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

Full-Length Portrait of Seated Zouave, and Standing Spahi Officer, Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

Benjamin William Marlow, British Military Doctor, Full-Length Portrait, Seated, Holding Sword, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

James J.M. Wardrop, British Grenadier Guards, Full-Length Seated Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

British Commissary General William Filder, Three-Quarter Length Seated Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

Group of Croat Laborers, Seated Portrait, Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

British Lieutenant General Sir John Campbell, full-length Portrait Seated inside Tent, and Captain Gustavus Hume, Full-Length Portrait Standing outside Tent, during Crimean War, Crimea, Ukraine, by Roger Fenton, 1855

Young Boy Studying, Lewis Hine for National Child Labor Committee, 1924

Student at Desk in Rural School, Williams County, North Dakota, USA, Russell Lee, U.S. Resettlement Administration, November 1937

Andrew Johnson (18018-75), 17th President of the United States, Photographed while U.S. Senator from Tennessee, attributed to Jesse Harrison Whitehurst, 1860

General Louis Botha (1862-1919), South African Politician, First Prime Minister of the Union of South Africa and hero during Second Boer War, Portrait, 1901

William Howard Taft, Seated Portrait, Harris & Ewing, 1910

Thomas Masaryk, Czech politician and philosopher

Four African American Women seated on Steps of Building at Atlanta University, Georgia, USA, 1900

Calvin Coolidge, Seated Portrait as Governor of Massachusetts, Notman Photo, Co., Boston, Massachusetts, USA, 1919