Christopher Isham , usually cited as Chris J. Isham, is a theoretical physicist at Imperial College London. His main research interests are quantum gravity and foundational studies in quantum theory. Wikipedia*
On the C-SPAN Networks:
Christopher Isham has three videos in the C-SPAN Video Library; the first appearance was a 2000 Speech. The year with the highest average number of views per program was 2012 with an average of 1,389 views per program.