- Altman, Roger (1896-1992)1
- Ambs, Karl Frederich (1903-1970)1
- Amundsen, Wesley I (1891-1975)5
- Anderson, A. Eugene1
- Anderson, Alfonso Nils (1887-1958)4
- Anderson, Andres Wilhelm (1879-1946)1
- Anderson, Benjamin L (1873-1962)3
- Anderson, Clara W10
- Anderson, R. A1
- Anderson, Roy Allan (1895-1985)1
- Anderson, U. S1
- Anderson, Verner Gustave (1901-1981)5
- Anderson, W. H3
- Andrew, Helen F1
- Andrews, John Nevins (1829-1883)4
- Anglebarger, G. W (1854-1937)7
- Appel, George John (1892-1982)1
- Appenzeller, Ronald E1
- Applegate, Joseph Andrews (1883-1964)1
- Armstrong, Victor Tracy (1886-1975)14