| Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, Union Electric Quarterly, and Union Electric News), 1913-1969 (incomplete run) Location: St.L. / 05 / Un3, Un3b, Un3m | |
 | |
| Last Name: | Spencer |
| First Name: | E. |
| Middle Name: | R. |
| Title: | Dr. |
| Portrait: | yes |
| Date of Publication: | Summer 1957 |
| Page: | 20-21 |
| Publication Title: | Union Electric Magazine |
| Remarks: | of Lebanon, Illinois |
