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Richard Woltereck was a German zoologist and hydrobiologist who studied aquatic animals and extended the concept of Reaktionsnorm (norm of reaction)…
PeopleEvolutionHeredityEmbryologyAquatic animalsLeo 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 cultureEmbryosRudolf Carl Virchow lived in nineteenth century Prussia, now Germany, and proposed that omnis cellula e cellula, which translates to each cell comes…
PeopleCellsPathology, CellularPathology, Comparativepublic healthSir Graham Collingwood Liggins devoted much of his professional life to obstetric research. Liggins demonstrated that hormones created by the fetus…
PeopleObstetriciansFetusEmbryosPregnancyEdward Drinker Cope studied fossils and anatomy in the US in the late nineteenth century. Based on his observations of skeletal morphology, Cope…
PeopleBiographyAnatomyEvolutionThomas Joseph King Jr. was a developmental biologist who, with fellow scientist Robert Briggs, pioneered a method of transplanting nuclei from…
PeopleNuclear Transfer TechniquesBiographyNuclear TransplantationCancerCraig C. Mello is an American developmental biologist and Nobel Laureate, who helped discover RNA interference (RNAi). Along with his colleague…
PeopleRNA InterferenceBiographyAndrew Zachary Fire is a professor at Stanford University and Nobel Laureate. Fire worked at the Carnegie Institution of Washington's Department of…
PeopleRNA InterferenceBiographyLap-Chee Tsui is a geneticist who discovered the cystic fibrosis (CF) gene, and his research team sequenced human chromosome 7. As the location of…
PeopleTsui, Lap-CheeCystic FibrosisReproductionBiographyCarl Gottfried Hartman researched the reproductive physiology of opossums and rhesus monkeys. He was the first to extensively study the embryology…
PeopleReproductionBiographyOpossumsmonkeys