Mirov, Dr. N.T. (1947, 1 letter) Mississippi Shipping Co., Inc. (1947, 3 letters) Moffitt, James K. (1948, 1 letter) Moffitt, Pavline (1947, 1 letter) Moise, Howard (1951, 1 letter) Moldenke, Dr. Harold N. (1946, 6 letters) Molinnus, Fritz (1951, 2 letters) Moller Bordeu, Fernando (1952, 2 letters) Monahan, William W. (1955–1957, 4 letters) Monalodo B., Patricio (1957, 1 letter) Mooney, V.I. (1951, 1 letter) Moore, Dr. A. Russell (1946, 2 letters) Moore, Mrs. Joseph A. Jr. (1957, 1 letter) Moore, Mrs. Marian W. (1952–1954, 2 letters) Moore, P.B. (1953, 1 letter) Moroney, John W. (1952, 2 letters) Morris, Charles E. (1951, 2 letters) Morris, Lawrence S. (1947, 1 letter) Morrison, Benjamin Y. (1932–1949, 2 letters) Morrison, Gordon (1946, 1 letter) Morrison, Dr. John L. (1951–1953, 6 letters) Mortellra, H. (1957, 2 letters) Mortellra, V.A. (1957, 2 letters) Morton, Dr. C.V. (1955–1956, 5 letters) Mott, William Penn Jr. (1951–1953, 3 letters) Mulligan, Dr. Brian O. (1946–1957, 12 letters) Munnecke, D.E. (1957, 1 letter) Munoz Pizzaro, Dr. Carlos (1949–1951, 5 letters)