Names
- Osborn, Chase S. (Chase Salmon), 1860-1
- Page, Herman, 1866-1942.1
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Peale, Norman Vincent, 1898-1993.1
- Pearse, A. S. (Arthur Sperry), 1877-1956.1
- Peckham, Howard H. (Howard Henry), 1910-1995.1
- Peterson, Enoch Ernest, 1891-1
- Peterson, Reuben, 1862-1942.1
- Phillips, Ulrich Bonnell, 1877-1934.1
- Pollock, James Kerr, 1898-1
- Pond, Irving K. (Irving Kane), 1857-1939.1
- Popenoe, Wilson, 1892-1
- Popenoe, Wilson, 1892-1975.1
- Rackham, Horace H., 1858-1933.1
- Rahn, Sheldon Lloyd, 1918-1
- Reeves, Jesse Siddall, 1872-1942.1
- Reighard, Jacob, 1861-1942.1
- Reuther, Walter, 1907-1970.1
- Rightmire, George W. (George Washington), 1868-1952.1
- Roberts, Kenneth Lewis, 1885-1957.1