"1929Z"^^ . . . . "William Clyde Martin, Jr. (November 27, 1929 \u2013 September 15, 2013) was an American physicist. After receiving his Ph.D. degree from Princeton University in 1956, he joined the staff of the National Bureau of Standards (NBS: now NIST, the National Institute of Standards and Technology), where he was employed until his retirement in 1998."@en . . . . . . "Martin, William Clyde"@en . "2013-09-15Z"^^ . "physicist" . "1929-11-27Z"^^ . . "2013Z"^^ . "William Clyde Martin, Jr."@en . . . . "Martin, William"@en . "American physicist" . . . .