They Changed the World: The Life Story of Heinrich R. Hertz
| First published | November 1939 |
|---|---|
| Type | Interior Art |
| Series | They Changed the World |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1939 |
|
Startling Stories, November 1939 | Better Publications, Inc. | MAGAZINE | 90 |