Names
- Patton, John, 1850-1907.1
- Peckham, Howard H. (Howard Henry), 1910-1995.1
- Pingree, Hazen S., 1840-1901.1
- Pratt, Julius William, 1888-1
- Prentiss, James Henry, 1872-1960.1
- President Eisenhower1
- Rackham Arthritis Research Unit (University of Michigan)1
- Rackham, Horace H., 1858-1933.1
- Rackham, Mary A. Horton, -1947.1
- Reuther, Walter, 1907-1970.1
- Rice, Warner Grenelle, 1899-1
- Rich, John Treadway, 1841-1926.1
- Richard C. Mosher1
- Richard L. Drake1
- Richardson, George F., 1850-1923.1
- Rivers, Lynn N.1
- Robbins, Frank Egleston, 1884-1
- Robert Burns Sligh1
- Robert Lewis Sligh1
- Romney, George W., 1907-1995.1