PFAS86 This is a 6" x 4" hand signed photo for American physicist Charles H Townes who has personally hand autographed the souvenir where his signature rests perfectly accompanying his portrait bar just a slight place upper edge place in mint condition and undedicated too.
Charles Hard Townes was an American physicist. Townes worked on the theory and application of the maser, for which he obtained the fundamental patent, and other work in quantum electronics associated with both maser and laser devices.