Question: Pavel Petrovich Parenago sered as the head of the Department of Stellar Astronomy at a university that was founded on January 25, 1755, by who?
Sentence (from "Pavel Petrovich Parenago"): Pavel Petrovich Parenago (20 March 1906 – 5 January 1960) was a Soviet scientist, astronomer, and professor.
Relevant evidence: No