The Diversifier is a fanzine published by A.B. Clingan and C.C. Clingan in the 1970s.
The Diversifier was published in Oroville, California, U.S.A. It was a literary zine, publishing work within the genres of science fiction, horror and the supernatural, that featured new work by contemporary authors and reprints of work by well know writers in these genres. 27 issues were released, beginning in June 1974 and ending in February-March 1979.
Contemporary contributors included Poul Anderson, William R. Barrow, Rich Bartucci, Sheryl Birkhead (The National Fantasy Fan), S. Diane Bogus, Donn Brazier (Title, Farrago), Bill Breiding (Star Fire), G. Sutton Breiding (Ebon Lute), Joseph Payne Brennan (Macabre), Llewellyn M. Cabos, Adrian Chadwick, A. Bertram Chandler, Al D. Cockrell (Wyrd), William A. Conder, Dale Donaldson (Moonbroth), Robert Eber, Debra Susan Elder, Ron Fortier, Joan Garrison, Jeffrey Goddin, Ken Hahn (Jeet), Phillip C. Heath, Gerard Houarner, John Inouye, Carl Jacobi, G.S. Kirsch, Marc Laidlaw, Gordon Linzner (Space and Time), David Madison, Marcia Martin, A.K. Molnar, Gary Muschia, Wilum Pugmire (Midnight Fantasies, Old Bones), Jessica Amanda Salmonson (The Literary Magazine of Fantasy and Terror), Charles R. Saunders (Stardock, Dragonfields), Paul Shelton, David C. Smith, Steve Sneyd (Data Dump), Stephanie Stearns, William Stout, Quentin Von Lin, Laurine White, and A.P. Wrightman.
Authors of reprints included Isaac Asimov, Robert Bloch, Hannes Bok, L. Sprague de Camp, Smithwainer Cord, Harry Harrison, Robert E. Howard, Fritz Leiber, Frank Belknap Long, C.L. Moore, Edith Ogutsch, E. Hoffman Price, Emil Petaja, Mack Reynolds, Clifford Simak, E.C. Tubbs, Manly Wade Wellman, and Donald Wollheim.
Artists featured were Craig Anderson, Nancy Barker, Sheryl Birkhead, G. Sutton Breiding, Frank Cirocco, A.B. Cox, Gene Day (Dark Fantasy), V.L. Dixon, Jeff Easley, Phil Foglio, Jude Fulkerson, Don Herron, Gary Kato, Ed Newby, Mark Pacella, Steve Riley, Al Sirois, Steve Sneyd, Mike Streff (Quantum), Denis Tiani, Joe West, Ron Wilber, and Gary Winnick.
In 1980, after The Diversifier ended, C.C. Clingan published Paragon.