Professor Dan Todes will be speaking at the St. Petersburg branch of the Institute of History of Science and Technology at the Russian Academy of Sciences,  Universitetskaia nab. #7, on Tuesday, September 29, 2015 at noon.  The title of his talk is: “Что есть самое трудное, самое страшное в человеческой жизни?” Последняя зима Ивана Петровича Павлова.