T-Negative was a media science fiction fanzine by Ruth Berman.
T-Negative was one the the first fanzines devoted to Star Trek, released during the original broadcast of the television series. The title of the fanzine refers to the character Mr. Spock's bloodtype, which was T-Negative.
The first issue of T-Negative was released in June 1969. 35 issues were released during the run, which ended in March 1979 with the double issue 35/35.
In her editorial for issue 1, Ruth Berman wrote about starting her fanzine; In November 1968 I starting watching Star Trek, mainly because Juanita Coulson had recommended it so highly in Yandro. By December, I d gotten Eleanor Arnason hooked on it, too, and by December she mmade the classic remark, 'We could write that too'...
Contributors of art work included Alan Andres, Alicia Austin (Kevas and Trillium), Gail Barton, Kathy Bushman, Juanita Coulson (ST-Phile), Tim Courtney, Connie Faddis, Karen Flanery, Wendy Fletcher, C. Lee Healy, Douglas Herring, Carolyn Sue Hillard, Mary Himmelbach, Bunny Jackson, Greg Jein, Al Kunfeld, Rae Ladore, Chris Loftus, David Lornazoff, Barbara Marczak, Ron Miller, Beth Moore, Rosalind Oberdieck, Ricky Pearson, D.C. Roberts, Clarica Scott, Gennie Summers, Anthony Tollin, Joyce Yasner, and Bernard Zuber.
Covers were by Alan Andres, George Barr, Kathy Bushman, Mary Ann Cappa, Cory Correll, Tim Courtney, Connie Faddis, Jackie Franke, Greg Jein, Barbara Marczak, Rodalind Oberdieck, Mark Schulman, Clarica Scott Anthony Tollin and Kristina Trott.
Contributors of writing included Astrid Anderson, Barb Amderson, Cathy Anderson, Eleanor A. Arnason, Ellie Back, Nan Braude, Judy Burns, Carmen Carter, Hal Clement, Juanita Coulson, Connie Faddis, Anna Mary Hall, Dorothy Heydt, Mary Himmelbach, Cecily Horton, Dave Hulan, Carol Pruitt Ing, Dorothy Jones, LouAnn Jones, Pat Kienly, Devra Langsam, Jacqueline Lichtenberg, Shirley Meesch, Melissa Michaels, John Miesel, Sandra Miesel, G.L. Natho, Larry Nivens, John Stanley, Gennie Summers, and Richar Van Treuren.
Letters came from D. T. Steiner
Ruth Berman also published the Sherlock Holmes anthology, SH - sf Fanthology.