M. John Harrison is an English author and literary critic born in Rugby, Warwickshire in 1945. He is known for his distinctive work across science fiction and literary fiction, spanning several decades. Harrison's early major work includes the Viriconium sequence, a series of novels and short stories published between 1971 and 1984 that established him as an important voice in speculative fiction. He also wrote Climbers in 1989, a novel that demonstrated his range beyond genre work. Later in his career, Harrison created the Kefahuchi Tract trilogy, consisting of Light (2002), Nova Swing (2006), and Empty Space (2012). These works further cemented his reputation as a significant literary figure working in science fiction. Throughout his career, Harrison has also worked as a literary critic, contributing to his influence on contemporary literature.