| Source: The Engineers' Club of St. Louis Year Book, 1948 Location: St.L. / 620.6 / As78y | |
 | |
| Last Name: | Hammack |
| First Name: | John |
| Middle Name: | T. |
| Photograph: | Yes |
| Address: | 451 Hawthorne Ave. |
| Page: | 83 |
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.