| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Allen McIntyre•Stack |
| Used name | Allen•Stack |
| Born | 23 January 1928 in New Haven, Connecticut (USA) |
| Died | 12 September 1999 in Honolulu, Hawaiʻi (USA) |
| Affiliations | US Navy, (USA) |
| NOC | United States |
| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
In 1948, Allen Stack finally removed Adolph Kiefer’s 12-year-old 200 m backstroke world record from the books. Stack set a total of six world records, won 10 AAU titles, and was a double gold medal winner at the 1951 Pan American Games - 100 metre backstroke and 3×100 metre medley (with Bowen Stassforth and Dick Cleveland). After Yale, he attended Columbia Law School and later practiced law in Honolulu.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Swimming (Aquatics) | USA |
Allen Stack | |||
| 100 metres Backstroke, Men (Olympic) | 1 | Gold | ||||
| 1952 Summer Olympics | Swimming (Aquatics) | USA |
Allen Stack | |||
| 100 metres Backstroke, Men (Olympic) | 4 |