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Osborne O. Heard was a noted Carnegie embryological model maker for the Department of Embryology at The Carnegie Institute of Washington (CIW),…
PeopleCarnegie Institution of WashingtonBiographyModelsThe scientific field of embryology experienced great growth in scope and direction in Germany from approximately 1850 to 1920. During this time,…
PeopleZiegler, Adolf, 1820-BiographyModels