Robert Jastrow was an American astronomer, physicist and cosmologist. He was a leading NASA scientist, populist author and futurist. Wikipedia*
On the C-SPAN Networks:
Robert Jastrow has two videos in the C-SPAN Video Library; the first appearance was a 1993 Forum as a Member. The year with the highest average number of views per program was 2000 with an average of 79 views per program.