He Who Shrank

He Who Shrank is a science fiction novella by Henry Hasse, printed as the featured story in the August 1936 issue of Amazing Stories magazine. It is about a man who is forever shrinking through worlds nested within a universe with apparently endless levels of scale. It was reprinted in the 1946 collection Adventures in Time and Space, edited by Raymond J. Healy and J. Francis McComas, and in Isaac Asimov's anthology of 1930s science fiction Before the Golden Age.