Poggendorff, Dr. W. (1951, 3 letters) Pomey, Dr. L. (1955–1956, 10 letters) Pool, C.C. (1948–1949, 3 letters) Prota, Jose Eduardo (1951, 1 letter) Porter, C. V. (1952, 1 letter) Post, J.H. (1958, 1 letter) Powell, Stanley (1952–1954, 4 letters) Prabel, N.B. (1950, 4 letters) Prakken, Dr. R. (1957, 1 letter) Preston, Dr. William H. Jr. (1959, 3 letters) Pride, Richard E. (1950, 1 letter) Pryce, Mrs. Mary Jane (1948, 3 letters) Pulle, Dr. A.A. (1940, 2 letters) Putnam, L. Paul (1957, 2 letters) Quick, Clarence (1957, 1 letter) Quinlan, L.R. (1948, 3 letters) Rada, Garcia (1957, 2 letters) Ragonese, Arturo E. (1956, 1 letter) Rattigan, Eleanor (1958, 19 letters)