Torres, Dr. Hernando Lopez (1949–1954, 10 letters) Totman, Mrs. Monique Cheney (1955, 1 letter) Tourje, E.C. (1955, 2 letters) Touton, Rush D. (1957, 2 letters) Traum, Dr. J. (1949, 3 letters) Traversi, Blanca A. (1949–1950, 2 letters) van Tubergen, C.G. (1951, 2 letters) Tucker, John M. (1953, 1 letter) Tufts, Dr. W.P. (1952, 1 letter) Turesson, Dr. Gote (1950, 2 letters) Tyndall, D. Gordon (1955, 6 letters) Uhl, Dr. Charles H. (1954, 6 letters) Underhill, Robert M. (1941, 2 letters) Valencia, J.I. (1950, 1 letter) Valleau, Dr. W.D. (1948–1955, 5 letters) Van Hoosear, Richard (1948, 2 letters) Van Nouhuys, J.W. (1953, 1 letter) Vanoosi, Dr. Reinaldo (undated, 1 letter) Van Rensselaer, Dr. Maunsell (1948–1957, 27 letters)