| 1955 | ||
| John O. Esslinger, M.D. | ||
1956 | ||
| Jonathan Cohen, M.D. | John O. Esslinger, M.D. | William N. Harsha, M.D. |
| Samuel Moore, M.D. | Fred C. Reynolds, M.D. | Thomas O. Shindler, M.D. |
1957 | ||
| Bruce M. Cameron, M.D. | Crawford J. Campbell, M.D. | John R. Cobb, M.D. |
| Jonathan Cohen, M.D. | William F. Enneking, M.D. | Melvin J. Glimcher, M.D. |
| Henry O. Marsh, M.D. | George G. Rose, M.D. | Thomas O. Shindler, M.D. |
| Wayne O. Southwick, M.D. | Philip D. Wilson, Jr., M.D. | |
1958 | ||
| Kirk J. Anderson, M.D. | Eugene E. Bleck, M.D. | William F. Enneking, M.D. |
| Melvin J. Glimcher, M.D. | Charles F. Gregory, M.D. | Joseph M. Janes, M.D. |
| Bertram M. Kummel, M.D. | Don H. O'Donoghue, M.D. | Alvina O. Sabanas, M.D. |
1959 | ||
| Kirk J. Anderson, M.D. | Walter P. Blount, M.D. | Jonathan Cohen, M.D. |
| Rodolfo Consentino, M.D. | David W. Cugell, M.D. | Charles F. Gregory, M.D. |
| J. William Hillman, M.D. | Joseph M. Janes, M.D. | Leonard Marmor, M.D. |
| Charles Rombold, M.D. | P.D. Saville, M.D. | Monroe Schneider, M.D. |
| Stanley Sober, M.D. | Richard K. White, M.D. | |