Chairmen of Debates, 1939-1944
| Year | Term | Chairman | College |
| 1939 | Michaelmas | Mr R.R. Pittam | Pembroke |
| 1940 | Lent | Mr G.L. Stewart | Fitzwilliam House |
| 1940 | Easter | Mr J.R.A. Bottomley | Trinity |
| 1940 | Michaelmas | Debates suspended | |
| 1941 | Lent | Mr J. Maynard Smith | Trinity |
| 1941 | Easter | Debates suspended | |
| 1941 | Michaelmas | Debates suspended | |
| 1942 | Lent | Debates suspended | |
| 1942 | Easter | Mr H.B. Dunkerley | King's |
| 1942 | Michaelmas | Mr G.A. Leven | Trinity |
| 1943 | Lent | Mr R.S. Taylor | St Catharine's |
| 1943 | Easter | Mr N.D. Sandelson | Trinity |
| 1943 | Michaelmas | Mr R.R. Feilden | Corpus Christi |
| 1944 | Lent | Mr J.S.B. Butler | King's |
| 1944 | Easter | Mr C. Salmon | Trinity Hall |
Read more about this topic: List Of Cambridge Union Society Presidents