Fyodor Petrovich Köppen — Employee of the Imperial Public Library

Based on archival sources, the article for the first time covers in detail the activities of corresponding member of the St. Petersburg Academy of Sciences Fyodor Petrovich Köppen (1833—1908) as a head of the Natural Science Department of the Imperial Public Library, which he headed for more than 35 years. F.P. Köppen’s penchant for systematization, natural meticulousness, accuracy and precision (as well as experience in bibliographic and library work) contributed to increasing the authority of this department (at that time it became one of the leading ones in the library). The participation of F.P. Köppen in replenishing the collections with new publications is disclosed in detail, his role in restocking, as well as in improving the systematic catalogue of natural and exact sciences is noted.