The paper discusses the basic ideas constituting the philosophical-historical ideology of Moscow University professor Vladimir Ivanovich Guerrier (1837-1919). Recognizing the subjectivity of all historical research, Guerrier, however, argued for rapprochement with the history of science. The way to this he saw in the support of historiography on the achievements of psychology. The subject of history, he considered the human personality, the motives of which just studying psychology.