Robert Heinlein Out-Takes by MatthewsP

Question 5

During World War II, Heinlein recruited two other high profile sci-fi authors to be researchers at the Philadelphia Naval Yard. One was Isaac Asimov. Name this other author, known for such original works as "Lest Darkness Fall", a seminal alternate-history novel, and his continuation of Robert Howard's Conan series.

L(yon) Sprague de Camp