12 (24) April 1862, in the town of Chistopol, Kazan Province, in a noble family, was born Nikolai Likhachev, Russian historian and art critic, collector and expert in the field of source study, diplomatics and sphragistics, privy councilor (1916), Academician of the Academy of Sciences of the USSR (1925) , founder and director of the Museum of Paleography (1925).