The article reflects the scholarly activities of Professor S.L. Frank (1917 – 1921), who held the office of the dean of Saratov State University Historical-Philological Department in 1917/18. The article focuses chiefly on such aspects as: the organization of teaching process, lectures and seminars, relationships with students and colleagues, the scholarly work in Saratov. Special attention is paid to the publications from Bakhmeteff Archive (USA): «The program lecture course on the history of ancient philosophy by Prof. S.L.