| Full name: | Duncan McCallum Stewart |
| Born: | 3rd November 1899, Edinburgh, Midlothian, Scotland |
| Died: | 30th April 1956, Perthshire, Scotland |
| Education: | Merchiston Castle School; Cambridge University |
| Occupation: | Chairman of Whisky firm |
| Other Sports: | Rugby |
| Teams: | Merchiston Castle School (Miscellaneous: 1915-1917) |
| Lists of matches and more detailed statistics | |