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DescriptionCharles Hard Townes (1915-2015) Signed Ensemble, "Chas. H. Townes", on a 5 x 3 slip, enclosed in a protective cellophane envelope and mounted in an original display, 8.5 x 10, with a photo and a short biographical note printed at the top, by the 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.He shared the 1964 Nobel Prize in Physics with Nikolay Basov and Alexander Prokhorov. This attractive, signed collector's ensemble is in fine condition and ready for display.