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 AuthorKatherine Brind'Amour (1) (-) Benjamin Garcia (1) CollectionArticles (1)