- 4-H Youth Development Program (U.S.)5
- Allen, A. V.4
- Allgood, James G.3
- Andrews, B. G., 1917-20131
- Andrews, Walter Glenn, 1916-6
- Apperson, Charles S. (Charles Smith), 1945-2
- Arey, John A., 1887-198553
- Armstrong, W. F.1
- Averre, Charles W. (Charles Wilson), 1932-1
- Axtell, Richard C.1
- Aycock, Robert1
- Ayer, H. W.1
- Bagley, Dudley W.1
- Baird, Jack Vernon, 1928-3
- Baker, James R. (James Robert), 1941-5
- Banadyga, Albert Alexander, 1921-20002
- Barber, Eleanor3
- Barlow, Frank D. (Frank Downer), Jr., 1916-1
- Barrick, Elliott Roy, 1915-19981
- Battle, H. B. (Herbert Bemerton), 1862-19293