Michael E. Brown
Michael E. Brown is an American astronomer, who has been professor of planetary astronomy at the California Institute of Technology since 2003. His team has discovered many trans-Neptunian objects , notably the dwarf planet Eris, the only known TNO more massive than Pluto. He has referred to himself as the man who "killed Pluto", because he furthered Pluto being downgraded to a dwarf planet in the aftermath of the discovery of Eris and several other probable trans-Neptunian dwarf planets. Wikipedia*
On the C-SPAN Networks:
Michael E. Brown has three videos in the C-SPAN Video Library; the first appearance was a 1999 Forum as a Professor for the Georgetown University. The year with the highest average number of views per program was 2010 with an average of 212 views per program.