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Cornell University's Department of Plant Breeding, c.1930

Plant geneticists from Cornell University, 1929

Barbara McClintock, American geneticist

Morgan and Osterhout, US geneticist and botanist

Anderson and Kaufmann

Renato Dulbecco, Italian virologist

Peter Zhukovsky, Soviet botanist

Alfred Hershey, US geneticist

Alfred Hershey, US geneticist

Pitcher plant research

Plant genetics research

Pitcher plant research

Plant genetics research

Plant genetics research

Barbara McClintock, US geneticist

Barbara McClintock, US cell geneticist

Kathleen Beyer Blackburn, British botanist

Ulisse Aldrovandi, Italian scientist

Maze genetics research by McClintock, 1978

Maze genetics research by McClintock, 1978

Maze genetics research by McClintock, 1978

Maze genetics research by McClintock, 1978

Maze genetics research by McClintock, 1971

Maze genetics research by McClintock, 1971

Maze genetics research by McClintock, 1971

Maze genetics research by McClintock, 1951

Margaret Clay Ferguson, US botanist

Genetics research, circa 1920s

Tatiana Maximova, Russian plant physiologist

Wanda K. Farr, US botanist

Geneticists Johannsen and Bateson, 1920s

Wilhelm Johannsen, Danish geneticist

Barbara McClintock, US geneticist

Gregor Mendel's early life as a monk, 1840s

Selman Waksman, microbiologist

Herman Muller, American geneticist

Teissier and Sirks, Geneticists

Maze genetics research by McClintock, 1942

Maze genetics research by McClintock, 1942

Maze genetics research by McClintock, c.1950

Barbara McClintock.

John Gurdon, British geneticist

Cole and Claude, genetics researchers

Biophysicists Delbruck, Luria and Exner

Thomas Hunt Morgan, US geneticist

Herbert Jennings, US geneticist

Theodor Boveri, German geneticist

Theodor Boveri, German geneticist

Theodor Boveri, German geneticist

August Weismann, German zoologist

James Watson, US molecular biologist

Stephen Hales, English botanist and physiologist

Frederick Sanger, British biochemist

Haldan Keffer Hartline, US physiologist

Barbara McClintock, US geneticist

Albert Blakeslee, US botanist

Theodosius Dobzhansky, Russian-US geneticist

Mary Constance Blair, US botanist

Mary Strong Clemens, American botanist, with her husband

Wilhelm Johannsen, Danish geneticist

Calvin Bridges, US geneticist

Barbara McClintock, US cell geneticist

Francis Crick, British microbiologist

Luria and Stadler, US geneticists

Yuri Filipchenko, Russian entomologist

Sophia Satina, Russian cytologist, and Albert Blakeslee, US

Theodosius Dobzhansky, Russian-US geneticist

Yale doctorate for US geneticist Barbara McClintock, 1982

Cold Spring Harbor Laboratory researchers, 1984

Eloise Gerry, US botanist

Mary Agnes Meara Chase, US botanist and suffragist

George Carver, US agriculturist

Barbara McClintock, US cell geneticist

Rollins Emerson, US geneticist

Edward East, US plant geneticist

Carl Joseph Schroter, Swiss botanist

Geneticists Dunn and Ephrussi

Alan Lloyd Hodgkin, British physiologist

Andrew Huxley, physiologist and biophysicist

Joseph Banks, English naturalist

Plant-fungi research

Robert Koch, German microbiologist and physician

Gaspard Bauhin, Swiss botanist

Agronomy and Genetics, 1926 congress

Germplasm storage research

David Baulcombe, British geneticist

Bruce Wallace and Hampton Carson

Fridtjof Nansen, Norwegian explorer

Gregor Mendel, Austrian botanist

Hershey and McClintock, US geneticists

Raymond Pearl, US biologist

Mather and Thoday, British geneticists

Charles Stockard, US zoologist

Sewall Wright, US geneticist

David Murray Gates, US physicist and ecologist

Women botanists at the US Department of Agriculture

Women botanists at the US Department of Agriculture

Erwin Chargaff, Austro-Hungarian biochemist

Lucia McCulloch, US plant pathologist

Nathan Cobb, US zoologist

US geneticist Barbara McClintock in maize field, 1960s

Hugo de Vries, Dutch botanist

Cold Spring Harbor Laboratory, 1950s

Edgar, Baron Adrian, neurophysiologist

Barbara McClintock, US geneticist

US geneticist Barbara McClintock and 1978 Rosenstiel Award

Edward East, US plant geneticist

Nicholas Vavilov, Soviet botanist

Julius Nieuwland, US chemist

Chromosomes, light micrograph

Barbara McClintock, US geneticist

Genetics Society of America, 1936

Alexis Carrel, French surgeon

George Carver, US agriculturalist, in a laboratory, USA

Russian-US geneticist Dobzhansky with fly maze, 1965

William Carruthers, Scottish botanist

Elie Metchnikoff, Russian biologist

Marshall Nirenberg, American biochemist

Plant-fungi research

Plant-fungi research

Discovery of quasicrystals, 1985

Clinton Joseph Davisson, US physicist

Adolf von Baeyer, German chemist

Adolf von Baeyer, German chemist

Rosalyn Yalow, US medical physicist

Marie Curie, Polish-French physicist

Theodore William Richards, US chemist

Peter Debye, Dutch physical chemist

Max Planck, German physicist

Alfred Werner, Swiss inorganic chemist

Hermann Staudinger, German organic chemist

Herbert Jennings, US geneticist

Zhores Medvedev and Vladimir Efroimson

Charles Darwin, British naturalist

Roland Thaxter, US mycologist

Nicolai Maximov, Tatiana Maximova and John Briquet

Maize varieties

Botanical research

Botanical research

Botanist examining plant tissue with microscope

Botanist examining plant tissue with microscope

Botanist examining plant tissue with microscope

Botanist examining plant tissue with microscope

Botanist examining plant samples

Botanist examining plant samples

Botanist examining plant samples

Botanist examining plant samples

Botanist examining plant tissue with microscope

Botanical research

Archibald Hill, British physiologist

Maurice Wilkins, British physicist

Winthrop Osterhout, US botanist

Scientists in academic dress at Cambridge University, 1898

Carl von Linne

Georg Schweinfurth, German explorer

Changing nomenclature of Welsh poppy

Alexis Carrel, French surgeon

Barbara McClintock, US cell geneticist

Jules Bordet, Belgian bacteriologist

Genevieve Almouzni, French geneticist

Giacomo Cavalli, Italian geneticist

Danesh Moazed, US geneticist

Wolf Reik, German geneticist

Minoo Rassoulzadegan, French geneticist

Pascale Cossart, French bacteriologist

Konrad Hochedlinger, Austrian geneticist

Sir Joseph Banks, English naturalist

Maurice Wilkins, British physicist

Maurice Wilkins, British physicist

Wilkins and Randall, DNA researchers

King's College DNA researchers, 1950s

Konrad Gessner, Swiss naturalist

Memorial to Petrus Antonius Michelius

Kary Mullis, US biochemist

Charles Huskins, Canadian geneticist

De Laguna and Birket-Smith, US and Danish anthropologists

Gustav Arthur Cooper, US paleobiologist

Mary Jane Rathbun, US zoologist

Viola Shelly Shantz, US zoologist

Wrinch and Mazia, Biologists

Edmund Wilson, US cell biologist

Philip Edward Smith, endocrinologist

Jean Pateels, Belgian biologist

Emil Witschi, Swiss-American biologist

Johannes Holtfreter, embryologist

Charlotte Gower Chapman, American anthropologist

Mary Mandels receiving Research Directors Award, 1962

Estrella Eleanor Carothers, American zoologist

Henry Isenberg, American microbiologist

Mildred Adams Fenton, American palaeontologist

Andre Dreyfus, Brazilian geneticist

Ernest Just, US biologist

Maurice Whittinghill, US geneticist

Robertson, Epling, Falconer, geneticists

Lerner and Ceppellini, Geneticists

Conrad Waddington, British geneticist

Zhores Medvedev, Soviet biologist

Bacteriology laboratory

Roxana Stinchfield Ferris, US botanist

Marguerite Stagira Wilcox, US botanist