JAMES P. HOGAN was born in London in 1941 and educated at the Cardinal Vaughan Grammar School, Kensington. He studied general engineering at the Royal Aircraft Establishment, Earn-borough, subsequently specializing in electronics and digital systems. In mid-1977, he moved from England to the United States to become a Senior Sales Training Consultant, concentrating on the applications of minicomputers in science and research for DEC. At the end of 1979, Hogan opted to write full time, and he now lives in Ireland.