Names
- Wells, William Palmer, 1831-1891.2
- Winchell, Alexander, 1824-1891.2
- Abbe, Cleveland, 1838-1916.1
- Abbot, Waldo, 1888-1
- Abel, John Jacob, 1857-1938.1
- Adams, Charles Francis, 1835-1915.1
- Adams, Charles K. (Charles Kendall), 1835-1902.1
- Adams, Edward Larrabee.1
- Adams, Ephraim Douglass, 1865-1930.1
- Adams, Henry Foster, 1882-1973.1
- Adams, Herbert Baxter1
- Adams, R. C.1
- Adams, Randolph Greenfield, 1892-1951.1
- Adams, Wilbur Christopher.1
- Aga-Oglu, Mehmet, 1896-1949.1
- Agassiz, Alexander, 1835-1910.1
- Aiton, Arthur S. (Arthur Scott), 1894-1955.1
- Aiton, Arthur Scott, 1894-1955.1
- Albeladejo, José M.1
- Alger, R. A. (Russell Alexander), 1836-1907.1