Challengers of the Unknown (vol. 1) #18 (Feb.-Mar. 1961):
“Professor Eureka, I think I saw a creature from another planet through my window!”
by Henry Boltinoff
Challengers of the Unknown (vol. 1) #18
Title: “Professor Eureka, I think I saw a creature from another planet through my window!”
The process of listing characters who appeared in this source is not yet complete. This story was indexed from secondary sources only. The character list above is not necessarily comprehensive. Webpage for Challengers of the Unknown #18 (Feb.-Mar. 1961) created 9 March 2018. Last modified 9 March 2018.
