Nuclear scientist (1901-1958) who was awarded the 1939 Nobel Prize in Physics for his invention of the cyclotron. Rare TLS signed “Ernest O. Lawrence,” one page, 8.5 x 11, University of California letterhead, January 7, 1949. Letter to Professor Rafael Grinfeld, in part: "Your cordial New Year greeting has just arrived and I am delighted to hear of your new position and send you warmest congratulations." In fine condition, with light creasing to the corners, and a rusty staple to the upper left.
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