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Hans Adolf Eduard Driesch (1867-1941)
By: Mary E. Sunderland
| Published: Nov 01, 2007
Although educated as a scientist who studied with both August Weismann and Ernst Heinrich Haeckel, Hans Adolf Eduard Driesch was first employed as a…
BiographySea Urchins
Wilhelm August Oscar Hertwig (1849-1922)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOva
George Linius Streeter (1873-1948)
By: Kimberly A. Buettner
| Published: Nov 01, 2007
George Linius Streeter was born on 12 January 1873 in Johnstown, New York, to Hannah Green Anthony and George Austin Streeter. He completed his…
PeopleBiographyHuman Development
Lazzaro Spallanzani (1729-1799)
By: Mary E. Sunderland
| Published: Nov 01, 2007
Lazzaro Spallanzani's imaginative application of experimental methods, mastery of microscopy, and wide interests led him to significant contributions…
PeopleRegenerationBiography
Florence Rena Sabin (1871-1953)
By: Kimberly A. Buettner
| Published: Nov 01, 2007
Florence Rena Sabin had successful careers as both a researcher and public health reformer. When Johns Hopkins University Medical School opened,…
PeopleBiographypublic healthEducation
Joseph Needham (1900-1995)
By: Adam R. Navis
| Published: Nov 01, 2007
Joseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked…
PeopleEmbryonic InductionBiography
Warren Harmon Lewis (1870-1964)
By: Kimberly A. Buettner
| Published: Nov 01, 2007
As one of the first to work at the Carnegie Institution of Washington Department of Embryology, Warren Harmon Lewis made a number of contributions to…
PeopleBiographyEducationCarnegie Institution of Washington
Jane Marion Oppenheimer (1911-1966)
By: Kimberly A. Buettner
| Published: Nov 01, 2007
Jane Marion Oppenheimer, embryologist and historian of science and medicine, was born on 19 September 1911 in Philadelphia, Pennsylvania, to Sylvia…
PeopleBiographyEvolutionhistory
Wilhelm His, Sr. (1831-1904)
By: Kimberly A. Buettner
| Published: Nov 01, 2007
Wilhelm His, Sr. was born on 9 July 1831 in Basel, Switzerland, to Katharina La Roche and Eduard His. He began his medical studies at Basel in 1849…
PeopleBiographyHuman Development
St. Augustine (354-430)
By: Katherine Brind'Amour
| Published: Nov 01, 2007
St. Augustine of Hippo, born Aurelius Augustinus to a respectable family in the year 354 CE, is now considered one of the foremost theologians in the…
PeoplereligionBiographyCatholicismFetus