The Last Two Alive!

From Author Wars - https://authorwars.com/books/the-last-two-alive-191173.html

Overview:

Title: The Last Two Alive!
Author: Alfred Coppel, Jr.
Year: 1950
Type: Short Fiction

Editions/Publications:

Unknown. Planet Stories, November 1950 (Unknown, Alfred Coppel, Jr., Love Romances Publishing Co., Inc., $0.20, 116 pages, pulp, MAGAZINE)