I assist two amazing mathematicians in a memorable conversation :) David Kazhdan: ~kazhdan/ Dennis Gaitsgory: Quanta article: Israel Gelfand: George Luszting: Vladimir Voevodsky: 0:00 intro 0:25 why math 5:35 student of Gelfand 11:04 Langlands program & motives & physics 14:35 math heroes 16:37 main interest in math 21:01 how about math puzzles 24:34 approaches to hard problems 27:30 negative emotions? introspection? 31:41 collaboration with Lusztig 36:20 thoughts on Voevodsky 41:02 impressions from conferences 45:23 Harvard in the good old days 48:25 family connections :)