This site now hosts a complete archive of PDF versions of The Problemist Supplement, from 1992 to the current year. This magazine is aimed mainly at newcomers to chess composition, so it is recommended for those who want to find out more about chess problems. You can find the archive here.
A spectacular key move which looks expressly designed to avoid fulfilling the stipulation. Having to mate on the second move the queen moves off the long diagonal, allowing multiple discovered checks and a flight at e6. The variations display two long-range cross-checks enhanced by two pin-mates.
Vincent Eaton (1915-1962) was one of America's greatest composers.