Charles Sydney Hopkinson was a United States portrait painter and landscape watercolorist. He maintained a studio in the Fenway Studios building in Boston from 1906 to 1962. He painted over 800 portraits in a direct style with a palette gradually lightening through his career. Wikipedia*
On the C-SPAN Networks:
Charles Hopkinson has one video in the C-SPAN Video Library; the first appearance was a 2010 Call-In.