Karl Ernst von Baer

Karl Ernst Ritter von Baer, Edler von Huthorn (Russian: Карл Эрнст фон Бэр; 28 February [O.S. 17 February] 1792 – 28 November [O.S. 16 November] 1876) was an Estonian scientist and explorer. Baer is also known in Russia as Karl Maksimovich Baer (Russian: Карл Макси́мович Бэр).

Karl Ernst von Baer
Born	(1792-02-17)17 February 1792 Piep estate, Estonia, Russian Empire
Died	16 November 1876(1876-11-16) (aged 84) Dorpat, Russian Empire
Nationality	Estonian[1][2]
Citizenship	Russian Empire
Alma mater	Imperial University of Dorpat
Known for	The discovery of the mammal egg cell; exploring European Russia and Scandinavia
Scientific career
Fields	Biology, embryology, geology, meteorology, geography
Institutions	Imperial University of Dorpat, University of Königsberg, Russian Academy of Sciences, Russian Geographical Society

Baer was a naturalist, biologist, geologist, meteorologist, geographer, and a founding father of embryology.

He was an explorer of European Russia and Scandinavia. He was a member of the Russian Academy of Sciences, a co-founder of the Russian Geographical Society, and the first president of the Russian Entomological Society.