What pseudonyms did Heinlein use, and why?
Heinlein is known to have published fiction under the following names: – Robert A. Heinlein (Most work) – R.A. Heinlein (Two girls’ stories in 1949-50) – Anson MacDonald (several pre-war stories) – Lyle Monroe (Several pre-war stories) – John Riverside (One pre-war fantasy novella) – Caleb Saunders (One pre-war sf-fantasy short story) – Simon York (One post-war detective story) In addition, the pseudonym “Leslie Keith” turns up here and there in correspondence, but was apparently never used on a published work. The two girls’ stories (“Cliff and the Calories” and “Poor Daddy”) were long believed to have been written under a pseudonym. They were not, and it is amusing/amazing that no one discovered them prior to Heinlein’s inclusion of the first in Expanded Universe. “Anson MacDonald” was a pseudonym created by proud Scot John W. Campbell Jr., the editor of ASF who nurtured Heinlein’s early career. (Campbell himself wrote much of his early fiction as “Don A. Stuart,” and other works und
