Author:E. K. Jarvis
E. K. Jarvis - per ISFDB "was a house pseudonym used by multiple authors for stories which appeared in magazines owned by Ziff-Davis in 1942-1958. According to SFE3, it was primarily used by Robert Moore Williams during the 1940s."
It was also used by:
- Robert Bloch
- Harlan Ellison
- Paul W. Fairman
- Robert Silverberg
- Henry Slesar