Scientific activity and the fate of print works of Professor G.A. Zakhar’in

The meetings syllabuses and main works of the Physical and Medical Society established at the Imperial Moscow University during the period of membership of it prof. G.A. Zakharin are analyzed for the first time. A characteristic of Zakharin 's scientific activity is given, taking into account the subject of his public performances and publications found in the original sources. The information is given on European and American editions of his works, as well as on publications previously unknown and not mentioned in the literature about Gregory A. Zakharin.