Oscar Hertwig

Oscar Hertwig
Oscar Hertwig by Nicola Perscheid
Born21 April 1849
Died25 October 1922 (1922-10-26) (aged 73)
NationalityGerman
Known forStudy of protists
Scientific career
FieldsZoology
Illustration from O. Hertwig's book Lehrbuch der Entwicklungsgeschichte des Menschen und der Wirbeltiere (Textbook of developmental history of humans and vertebrates), 1906.

Oscar Hertwig (21 April 1849 in Friedberg – 25 October 1922 in Berlin) was a German embryologist and zoologist known for his research in developmental biology and evolution. Hertwig is credited as the first person to observe sexual reproduction at the cellular level, by looking at the cells of sea urchins under the microscope.[1]


Oscar Hertwig

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