Nikolay Petrovich Likhachyov (Николай Петрович Лихачёв; 1862–1936), a prominent Russian historian, academician, art historian, bibliographer, and collector. He was one of the foremost experts in auxiliary historical disciplines, particularly paleography (the study of ancient writing) and sphragistics (the study of seals). Photo was taken by the famous photographer Karl Bulla in 1916.
