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Keywords: NMAH DC - IMG 8773.JPG Bottom device experimental ruby crystal and laser waveguide 1959 Top device First laser and its ruby crystal emitting first light on May 16 1960 Photograph Theodore Maiman who created both devices Exhibit in National Museum of American History Washington DC USA I took this photograph 2011-01-18 15 16 59 Daderot Public domain Lasers in the National Museum of American History History of lasers Lasers Theodore Maiman |