Wright, Milton (1957, 1 letter) Wyckoff, Steven N. (1952, 3 letters) Wyrens, Rollin G. (1953, 2 letters) Yao Shih-sheng (1951, 2 letters) Yee, H. (1952, 1 letters) Yuncker, Dr. T.G. (1954, 2 letters) Zentmyer, George A. (1952, 2 letters) Zerda, Sequndo Octavio (1947, 1 letter) Ziesenhenne, Rudolf (1953–1955, 6 letters)