Tesseract was a science fiction fanzine published by C. Hamilton Bloomer in San Francisco, Ca., U.S.A. and later edited by Raymond Van Houten.
Tesseract was the official publication for the Science Fiction Advancement Association, created by C. Hamilton Bloomer. It was published in the 1930s and was a hectographed and side stitched fanzine.
C. Hamilton Bloomer was the editor up until the Vol 2 No. 5 issue of May 1937. By Vol 3 No. 1, released in October 1937, the fanzine was being edited by Raymond Van Houten and had been retitled New Tesseract. The last issue was published in March 1938.
Featured in Tesseractwere articles such as "Story Writing Hints" by Clark Ashton Smith, "Degeneration: A Note on Stantion A. Coblentz" by Peter Duncan, fiction such as reprint of "The Crawling Chaos" by H. P. Lovecraft and Winifred V. Jackson, poetry such as Atlantis;; by Clark Ashtom Smith.
Contributors included Forrest J. Ackerman, Robert Bloch, Miles J. Breuer, M.D., Willis Conover. Jr., J. Harvey Haggard, Russell A. Leadabrand, William H. Miller, Jr., Edward E. Smith, Louis C. Smith. Roy A. Squires.