John D. Clark
John Drury Clark, Ph.D. was an American rocket fuel developer, chemist, and science fiction writer.
| Links | https://en.wikipedia.org/wiki/John_Drury_Clark · http://www.isfdb.org/cgi-bin/ea.cgi?876 |
Contributing Writer 2
 | La Edad De Oros De La Ciencia Ficcion II | Soft cover |
 | Antes De La Edad De Oro 2 | Unknown |