This Youtube account is dedicated to Professor Hari Sankar Vasudevan (15th February 1952 - 10th May, 2020), an eminent teacher and a historian of Tsarist, Soviet and post Soviet Russia and Indo-Russian relations. He was a long-time Professor at the Department of History, Calcutta University, Director of Maulana Abul Kalam Azad Institute of Asian (MAKIAS), Kolkata fro2007 - 2011, and actively involved in the work of several academic and governmental institutions in New Delhi and Kolkata. This account will contain different kinds of audio and video recordings of his lectures, talks and interviews, exhibitions and documentary films that he steered, recordings of Zoom sessions of remembrances of him and his work, and some musical tributes.