Professor V.Ye. Timonov (1862-1936) as a historian of science and technology

In the article the scientific achievements of professor V.Ye. Timonov in the field of history of science and technology have been highlighted. It is shown that he was not only a talented hydraulic engineer but also an expert in scientific inheritance of prominent engineers and hydraulic specialists, water-transport workers and railroaders. He also published the row of articles on different questions of transport, on teaching of technical disciplines, about the role of international maritime congresses etc. V.Ye. Timonov was proficient in history of maritime building business, history of development of marine connections and port business in Russia, history of the Joint committee sessions for making the plan of works on the water ways improvement. V.Ye. Timonov's features were remarkable knowledge of the object, his abilities to distinguish essential in a problem, thrifty attitude toward facts and remarkable literary style.