Donald Knuth was an inspiration since my earliest use of computing. Reveled and still awaiting the latest volume of his Art of Computer Programming. For now here are many of his talks on Youtube. Looking for the SIAM talk. Likely technical. More.
" ... The Society for Industrial and Applied Mathematics (SIAM) has awarded the 2016 John von Neumann Lecture prize to Donald E. Knuth of Stanford University for his transformative contributions to mathematics and computer science. Knuth delivered the associated prize lecture, "Satisfiability and Combinatorics," at the SIAM Annual Meeting in Boston, Massachusetts, on July 12. The highest honor awarded by SIAM, the flagship lecture recognizes outstanding and distinguished contributions to the field of applied mathematical sciences and the effective communication of these ideas to the community. ... "