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Biography of Karl Ernst von Baer
Name: Karl Ernst von Baer
Birth Date: February 29, 1792
Death Date: November 28, 1876
Place of Birth: Piep, Estonia
Nationality: Estonian
Gender: Male
Occupations: embryologist, anatomist
Karl Ernst von Baer
The Estonian anatomist and embryologist Karl Ernst von Baer (1792-1876) was the first to describe the mammalian ovum. He also developed the germ-layer theory, which became the basis for modern embryology.Karl Ernst von Baer was born in Piep on Feb. 29, 1792. He began his medical studies at the University of Dorpat in Estonia in 1810, and after graduating in 1814 he continued his studies at Vienna. After realizing his limitations as a practitioner, he studied comparative anatomy at the University of Würzburg, where he was taught by the influential anatomist Johann Döllinger. On completion of his studies, Baer accepted a position as prosector in anatomy at the University of Königsberg, and in 1819 he was appointed associate professor of zoology there. In 1822 he achieved the rank of professor.At Königsberg he undertook his famous studies in embryology in collaboration with C. H. Pander. He worked first …showed first 150 words…
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…showed last 150 words…is becoming increasingly differentiated and complicated.In 1834 Baer left Germany to take up the position of librarian of the Academy of Science at St. Petersburg. In this position he advised the Russian government on a number of scientific matters. In 1837 he led a scientific expedition into Arctic regions, and from 1851 until 1856 he studied Russian fisheries and suggested many improvements. He retired to his native Estonia and died on Nov. 28, 1876, in Dorpat. Further Reading There is a very good account of Baer's biological work and influence in Edward Stuart Russell, Form and Function: A Contribution to the History of Animal Morphology (1916). Information is also in Joseph Needham, A History of Embryology (1934; 2d ed. 1959); Arthur William Meyer, The Rise of Embryology (1939); and Jane M. Oppenheimer, Essays in the History of Embryology and Biology (1967).Baer, Karl Ernst von, Autobiography of Dr. Karl Ernst von Baer, Canton, MA: Science History Publications U.S.A., 1986.
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