A Filbert Is a Nut

Rick Raphael (1919-1994) was a US writer and journalist who began publishing sci-fi with “A Filbert is a Nut” for Astounding in November 1959 and established a considerable reputation in the field with a comparatively small output of about ten stories, most of them assembled in The Thirst Quenchers (coll 1965) and Code Three (fixup 1966).