Tachyon Publications is an independent press specializing in science fiction and fantasy books. Founded in San Francisco in 1995 by Jacob Weisman, Tachyon books have tended toward high-end literary works, short story collections, and anthologies.In 2013, Tachyon's publication After the Fall, Before the Fall, During the Fall by Nancy Kress won the Nebula Award and Locus Award for best novella.