- Bennett, Richard – Senator Frederick G. Payne
1959
- Curtis, Sally – Representative James C. Oliver
- Mooers, Donald – Senator Edmund S. Muskie
1960
- Berry, Paul – Representative Frank H. Coffin
- Bouchard, John – Representative James C. Oliver
- Landry, Paul – Senator Edmund S. Muskie
- Mednis, Margaret – Representative Clifford G. McIntire
1961
- Berg, Raymond – Representative Charles S. Joelson
- Hutchinson, Jr., Philip – Representative Peter A. Garland
- Obliskey, Carol – Senator Edmund S. Muskie
1962
- Dearborn, Joan – Senator Edmund S. Muskie
- Horton, James S. – Representative Stanley R. Tupper
- Marsters, Jr., Irvine – Peter A. Garland
1963
- O’Donnell, Diane – Representative Stanley R. Tupper
- O’Mara, Nancy – Senator Edmund S. Muskie
1964
- Johnson, Wayne – Representative Stanley R. Tupper
- McDonald, Alice – Senator Edmund S. Muskie
- McGraw, Marjorie – Senate Subcommittee on Intergovernmental Relations
- Wiley, Lisbeth – Senator Thomas J. Dodd (CT)
1965
- Brown, Rufus – Senator Leverett Saltonstall (MA)
- Cushing, Ann – Senator Edmund S. Muskie
- Monsulick, Minerva – Representative William D. Hathaway
- Worthen, Dale – Senate Subcommittee on Intergovernmental Relations
1966
- Townsend, Nancy – Senator Abraham Ribicoff
- Perham, Nancy – Representative William D. Hathaway
- McLaughlin, Cheryl – Senator Edmund S. Muskie
- Durdan, Mary – Representative Stanley Tupper
- Hitchings, Nora – Senate Subcommittee on Intergovernmental Relations
1967
- Harrington, Charlotte – Senator Edmund S. Muskie
- Hall, Stephen – Senate Subcommittee on Intergovernmental Relations
- Devoe, Charles – Congressman William D. Hathaway
- Lavoie, Louise – Representative Peter N. Kyros
1968
- Schumacher, Linda – Representative Peter N. Kyros
- Baston, Douglas – Senate Subcommittee on Intergovernmental Relations
- Spencer, Charles – Senator Edmund S. Muskie
- Sheehan, Frances – Representative William D. Hathaway