Ursula K. Le Guin
Several of her speculative fiction short stories from the period, including her first published story, were later anthologized in the 1975 collection The Wind's Twelve Quarters. The fiction of the period 1966 to 1974, which also included The Lathe of Heaven, the Hugo Award-winning "The Ones Who Walk Away From Omelas" and the Nebula Award-winning "The Day Before the Revolution", was the time of Le Guin's best-known work.