Search Displaying 1 - 1 of 1 Fulltext search Sort by RelevanceDate Created: Newest to OldestDate Created: Oldest to Newest 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 Filter my results Author (-) Benjamin Garcia (1) (-) Katherine Brind'Amour (1) CollectionArticles (1)