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John Spangler Nicholas, an American biologist, was born on 10 March 1895 in Allegheny, Pennsylvania. He was the only child of Elizabeth Ellen…
PeopleBiographyMammalsAmphibiansAntoni van Leeuwenhoek was born in Delft, the Netherlands, on 24 October 1632 to Margriet Jacobsdochter van den Berch and Philips Thooniszoon, both…
BiographyMicroscopyThe scientific field of embryology experienced great growth in scope and direction in Germany from approximately 1850 to 1920. During this time,…
PeopleZiegler, Adolf, 1820-BiographyModelsChristian Heinrich Pander, often remembered as the father of embryology, also explored the fields of osteology, zoology, geology, and anatomy. He was…
PeopleBiographyChicksGavin de Beer was an English zoologist known for his contributions to evolution and embryology, in particular for showing the inadequacy of the germ…
PeopleBiographyEvolutionZoologyLeo Loeb developed an experimental approach to studying cancer and pioneered techniques for tissue culture and in vitro tissue transplantation which…
PeopleMarine Biological Laboratory (Woods Hole, Mass.)Embryology, ExperimentalTissue cultureEmbryosEduard Friedrich Wilhelm Pflüger was a physiologist known for his research on respiration, the respiratory quotient, experimenting on the effects of…
PeopleRespiratory quotientRespirationEmbryologyEmbryosJames David Ebert studied the developmental processes of chicks and of viruses in the US during the twentieth century. He also helped build and grow…
PeopleBiographyCarnegie Institution of WashingtonLaboratoriesDuring the 1870s and early 1880s, the British morphologist Francis Maitland Balfour contributed in important ways to the budding field of…
BiographyEvolutionAlthough best known for his work with the fruit fly, for which he earned a Nobel Prize and the title "The Father of Genetics," Thomas Hunt Morgan's…
PeopleMorgan, Thomas Hunt, 1866-1945Genetics, ExperimentalNobel Prize winnersDrosophila melanogaster