Problem description:

Fedoroff davydov A A Fedoroff davydov (1873- 1936): A brief introduction of the author of the article "Discovery of Childhood" in Chinese, the eleventh volume of Russian children's literature writers! ! ! ! ! ! ! !

Analysis:

Fedoroff (1802 ——1855)

A. Russian astronomer davydov. 1827 graduated from the University of Putt (now Tartu University) in Utrecht. 1837 Professor of Kiev University, 1843- 1847 President. He founded the observatory of the school and served as the first director. 1855 died on March 24th. 1832 ——1837, and determined the geographical coordinates of some places in western Siberia. Participated in the observation of total solar eclipse in 1842 and 185 1 year.

Works: 1842 on the total solar eclipse in Chernigov on June 26th, 842 (26 1842, 1842).

zhidao.baidu/question/77 1034