According to Wikipedia: "Edward Hoch was an American writer of detective fiction. Although he wrote several novels, he was primarily known for his vast output of over 950 short stories.
Hoch (pronounced hoke) was born in Rochester, New York and began writing in the 1950s; his first story appeared in 1955 in Famous Detective Stories and was followed by stories in The Saint Mystery Magazine. In January 1962 he began appearing in Alfred Hitchcock's Mystery Magazine. In December 1962 he kicked off his most successful collaboration, with the appearance of his first story in Ellery Queen's Mystery Magazine; in the years since EQMM has published over 450 of Hoch's stories, roughly half of his total output. In May 1973 EQMM began publishing a new Hoch story in every monthly issue; as of May 2007 the author had gone an astonishing 34 years without missing a single issue."