Philip K. Dick (1928-1982) was born in Chicago but lived in California for most of his life. He went to college at Berkeley for a year, ran a record store and had his own classical-music show on a local radio station. He published his first short story, 'Beyond Lies the Wub' in 1952. Among his many fine novels are The Man in the High Castle, Time Out of Joint, Do Androids Dream of Electric Sheep? and Flow My Tears, the Policeman Said.

Robert Silverberg has been a professional writer since 1955, widely known for his science fiction and fantasy stories. He is a many-time winner of the Hugo and Nebula awards, was named to the Science Fiction Hall of Fame in 1999, and in 2004 was designated as a Grand Master by the Science Fiction Writers of America.

His books and stories have been translated into forty languages. Among his best known titles are Nightwings, Dying Inside, The Book Of Skulls, and the three volumes of the Majipoor Cycle: Lord Valentine's Castle, Majipoor Chronicles and Valentine Pontifex.

His collected short stories, covering nearly sixty years of work, are being published in nine volumes by SF Gateway and Subterranean Press. His most recent book is Tales Of Majipoor (2013), a new collection of stories set on the giant world made famous in Lord Valentine's Castle.

He and his wife Karen and an assorted population of cats, live in the San Francisco Bay Area in a sprawling house surrounded by exotic plants.

James Blish (1921-75) studied microbiology at Rutgers and then served as a medical laboratory technician in the US army during the Second World War.

Among his best-known books are Cities In Flight, A Case Of Conscience, for which he won the Hugo Award in 1959 for Best Novel, Doctor Mirabilis, Black Easter And The Day After Judgement.