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Richard Feynman, US physicist

Richard Feynman, theoretical physicist

Stanislaw Ulam, US mathematician

Samuel Milner, British physicist

Leo Esaki, Japanese physicist

William Coblentz, US physicist

Nikola Tesla, Serb-US physicist

Davisson and Germer, US physicists

McKibbin, Oppenheimer and Weissman

Barbara McClintock, US cell geneticist

Seth Chandler, US astronomer

Lewis Boss, US astronomer

Thomas Simonton, US astronomer

Leo Esaki, Japanese physicist

Vannevar Bush, US electrical engineer

Niels Bohr, Danish physicist

James Joule, British physicist

Peter Debye, Dutch chemical physicist

Maria Mitchell, US astronomer

Wolfgang Kohler, German psychologist

Helen Redfield, US geneticist

Walter Rittman, US chemical engineer

Russell Hulse, US astrophysicist

University of Chicago physicists, 1908

Gerald Edelman, American immunologist

Robert Bunsen, Gustav Kirchoff and Henry Roscoe

Herbert Gasser, American physiologist

Heiser and Gorgas, American physicians

Lise Meitner and Glenn Seaborg

Samuel Lind, US chemist

Homer Smith, US physiologist

William Thayer, US physician

Hugo Schweitzer, German-US chemist

Niels Finsen, Danish physician

Robert Oppenheimer and Ernest Lawrence, physicists

Max Planck and Albert Einstein

Scientists receiving honorary degrees at Delhi University

Ehrenfest and Burgers, physicists

Fermi, Heisenberg and Pauli

Joseph Erlanger, American physiologist

Malcolm Hayden Hebb and George Eugene Uhlenbeck

John Newport Langley British physiologist

Max Planck, German physicist

Helen Lois Koch, American psychologist

Sir Ernest Rutherford taking a swim in Dorset

History of Medicine conference, 1967

Geneticists Bodmer and Lewontin

Franz Schrader and Sally Hughes-Schrader

Victor Heiser, American physician

Franzo Crawford, US physicist

Leo Szilard, Hungarian-US physicist

Anna Julia Cooper, US scholar and civil rights activist

Albert Einstein, Swiss-German physicist

Benjamin Franklin, born in Boston, Jan 17th 1706, -- died in Philadelphia, April 17th 1790, Painted by T.H. Matteson, Esqr., Engraved by Henry S. Sadd, Printed by J. Neale, 1846

Florence Sabin, US medical researcher

Alchemist, historical artwork

18th Century chemist, historical artwork

Renato Dulbecco, Italian virologist

Paul Ehrlich, German immunologist

Maria Goeppert-Mayer, nuclear physicist

Maria Goeppert-Mayer, nuclear physicist

Walter Brattain, US physicist

Louis de Broglie, French physicist

Alexander Graham Bell

Alexander Graham Bell

Carl David Anderson, US physicist

Titian Peale, US naturalist

Grove Gilbert, US geologist

William Lawrence Bragg, British physicist

William Lawrence Bragg, British physicist

William Lawrence Bragg, British physicist

Thomas Hunt Morgan, US geneticist

Benjamin Silliman, US chemist

Jules Bordet, Belgian immunologist

Simon Flexner, US pathologist

Simon Flexner, US pathologist

Albert Einstein, Swiss-German physicist

Niels Bohr, Danish physicist

Florence Lowther, US zoologist

Marie and Pierre Curie, physicists

Jeanette Scissum-Mickens, American scientist

Maria Telkes, solar energy pioneer

Kathleen Mary Drew-Baker, British phycologist

Zhores Medvedev and Vladimir Efroimson

Martin Harwit, Czech-American astronomer

Hendrik Lorentz, Dutch physicist

Hendrik Lorentz, Dutch physicist

NACA, 1938

Bertrand Goldschmidt, French physicist

Walter Zinn, US nuclear physicist

Moritz Schroter, German engineer and professor

Hilda Hempl Heller, US bacteriologist

Harlow Shapley, American astronomer

Alchemist at work, 19th century

Charles Darwin, British naturalist

John Slater, US physicist

William Swann, US physicist

George Thane, British anatomist

Henry Herbert Donaldson, neuroscientist

Mary McLeod Bethune, American activist and educator

German and US psychiatrists, circa 1904

William Coblentz, US physicist

Albert Gunther, German-British zoologist

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

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

Supreme Court of the United States, Group portrait of Justices William J. Brennan, Jr., Byron R. White, Harry A. Blackmun, William H. Rehnquist, Potter Stewart, Thurgood Marshall, Lewis F. Powell, Jr., John Paul Stevens, III, and Chief Justice Warren E. B

Alfred Lande, German-US physicist

Mark Twain, US author

Mark Twain, US author

Cartoonist Jules Feiffer

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

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

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

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

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

Secretary of State Henry Kissinger meeting with U.S. President Richard Nixon, White House, Washington, D.C., USA, photograph by Marion S. Trikosko, March 22, 1974

Man with laptop

Man with laptop

Leon Lederman, US particle physicist

60-inch cyclotron and nuclear physicists

Chinese-US physicist Chien-Shiung Wu and colleagues, 1963

Crick & Watson in 1953

Ivan Pavlov, Russian physiologist

Henry Hallett Dale, British pharmacologist

Jane Addams, US social worker and activist

British physicist Nicola Fox speaking to news media, 2019

Josiah Willard Gibbs, US mathematician

Richard P. Feynman (1918-1988), physicist

Isabella Gordon, Scottish marine biologist

Holmes, Walcott and Gannett, US geologists, 1897

Statue of Alan Turing

Scientist holding molecular structure at desk in home

Hans Bethe, German-US physicist

Hans Bethe, German-US physicist

Fritz Schaudinn, German microbiologist

Enrico Fermi, Italian-US physicist

Enrico Fermi, Italian-US physicist

Richard Feynman's post-Nobel lecture at CERN, 1965

Richard Feynman's post-Nobel lecture at CERN, 1965

Richard Feynman's post-Nobel lecture at CERN, 1965

Richard Feynman's post-Nobel lecture at CERN, 1965

Cartoonist Bill Mauldin

Breit, Fermi and Gamow, physicists

Ernst Amberg, Swiss mathematician

US rural settlement, early 20th century

James Franck, German physicist

Fritz Reiche, German physicist

Max Planck, German physicist

Edward S. Ayensu, Ghanian scientist and economist

Edward S. Ayensu, Ghanian scientist and economist

Scientist taking notes on experiment in laboratory

Barry Commoner, American biologist and environmentalist

John Clarke Slater, American physicist

Albert Einstein, Swiss-German physicist

Charles Galton Darwin, British physicist

Clinton Joseph Davisson, US physicist

Female scientist working with samples

Scotland: c. 1800 An engraving of noted pioneering Scottish surgeon John Hunter.

Scientist using a light microscope

Biological research

Biological research

Scientist using a light microscope

Haematology lab

Haematology lab

Charles Darwin, British naturalist

Ben Franklin, University of Pennsylvania

Rudolf II with his alchemist, artwork

Elie Metchnikoff, Russian biologist

Maria Goeppert-Mayer, German-US nuclear physicist

Lewis Terman, US psychologist

Frederick Allen, US doctor

Clarence Wilson Hewlett, American physicist

Scientist wearing lab coat working on computer

Scientist wearing lab coat working on computer

Scientist wearing lab coat working on computer

Male scientist examining insects used for pest control in agriculture

Charles Darwin statue

Rodeo spectators, 1954

Helen Redfield, American geneticist

Ethel Stiffler, US botanist

Grace Peterson, US mycologist

Hollywood, California: 1934 A portrait of Paramount actress Sylvia Sidney.

Integrated classroom at Anacostia High School, Washington, D.C., USA, Warren K. Leffler, 1957

Living Quarters for Florida Migrant Workers, Bellcross, North Carolina, USA, Jack Delano, U.S. Farm Security Administration, July 1940

Three of the Eleven Children of new FSA (Farm Security Administration) Client Edward Gant, Dameron, Maryland, USA, Jack Delano, U.S. Farm Security Administration, August 1940

Joseph Davidson, US industrial chemist

Henry Hurd, US psychiatrist

Dorothea Lange, US photographer

Amelia Earhart, US aviation pioneer

Grace Hopper, US computer scientist

Sigard Knopf, German-US physician

Sigard Knopf, German-US physician

Charles Wilkes, US naval officer and explorer

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

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

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

Artist Norman Rockwell

United States: c. 1920 A portrait of Joseph Kennedy working at his desk.

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