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Viktor Hamburger (1900-2001)
By: Adam R. Navis
| Published: Nov 08, 2007
Viktor Hamburger was an embryologist who focused on neural development. His scientific career stretched from the early 1920s as a student of Hans…
PeopleHamburger, Viktor, 1900-2001Nerve Growth FactorBiographyNeurons
Robert William Briggs (1911-1983)
By: Adam R. Navis
| Published: Nov 08, 2007
Robert William Briggs was a prolific developmental biologist. However, he is most identified with the first successful cloning of a frog by nuclear…
PeopleNuclear Transfer TechniquesNuclear TransplantationBiography
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
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
Samuel Randall Detwiler (1890-1957)
By: Adam R. Navis
| Published: Nov 01, 2007
Samuel Randall Detwiler was an embryologist who studied neural development in embryos and vertebrate retinas. He discovered evidence for the…
PeopleTransplantationBiographyNeurons
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
Karl Wilhelm Theodor Richard von Hertwig (1850-1937)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Karl Wilhelm Theodor Richard von Hertwig is an important figure in the history of embryology for his contributions of artificial hybridization of sea…
PeopleZoologyBiographyHybridizationSea Urchins
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
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
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