- Litton, George W., 1910-19891
- Maher, Frank J. (Francis Joseph), 1915-1
- Marshak, Robert E. (Robert Eugene), 1916-19921
- Massey, A. B. (Arthur Ballard)1
- McLean, F. Edward1
- Morris, Henry M., 1918-20061
- New Farmers of America. Maryland Association1
- New Jersey Zinc Company1
- Page, Thornton L., 1913-19961
- Pardue, Louis Arthur, 1900-19631
- Parker, W. Dale (William Dale), 1925-20071
- Parsons, John T., 1913-20071
- Phillips, William H. (William Hewitt), 1918-20091
- Phycological Society of America1
- Pletta, Dan H. (Dan Henry), 1903-19961