| Full name: | William Estes Hacker |
| Born: | 12th September 1867, Germantown, Philadelphia, Pennsylvania, United States of America |
| Died: | 29th June 1944, San Francisco, California, United States of America |
| Teams: | Young America (Halifax Cup: 1886-1889); Penn Charter School (Miscellaneous: 1884-1922); Haverford College (Miscellaneous: 1885-1886); All teams |
| Lists of matches and more detailed statistics | |