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Born on 24 March 1890 in Marlborough, Massachusetts, to Ann and Frank Rock, John Charles Rock was both a devout Catholic and one of the leading…
PeopleContraceptionReproductionReproductive RightsCatholicismThe scientific field of embryology experienced great growth in scope and direction in Germany from approximately 1850 to 1920. During this time,…
PeopleZiegler, Adolf, 1820-BiographyModelsWilhelm Ludvig Johannsen studied plants and helped found the field of genetics, contributing methods and concepts to the study of heredity around the…
GeneticsHeredityPhenotypeGenotype-environment interactionEvolutionCharles Bonnet was a naturalist and philosopher in the mid eighteenth century. His most important contribution to embryology was the discovery of…
PeopleParthenogenesisBiographyJames Marion Sims developed a surgical cure for ruptures of the wall separating the bladder from the vagina during labor, ruptures called vesico-…
PeopleSims, J. Marion (James Marion), 1813-1883Speculum (Medicine)Fistula, Vesico-vaginalSurgeryGregory Goodwin Pincus, one of the original researchers responsible for the development of the first oral contraceptive pill, was born in Woodbine,…
PeopleReproductionBiographyContraceptionJames Alexander Thomson, affectionately known as Jamie Thomson, is an American developmental biologist whose pioneering work in isolating and…
PeopleThomson, James A., Dr.Stem CellsBiographyFlorence Rena Sabin had successful careers as both a researcher and public health reformer. When Johns Hopkins University Medical School opened,…
PeopleBiographypublic healthEducationMultiple theories about what determines sex were tested at the turn of the twentieth century. By experimenting on germ cells, cytologist Nettie Maria…
PeopleHeredityReproductionBiography