Paul James McAuley was born in Gloucestershire on St George's Day, 1955. He has a Ph.D in Botany and worked as a researcher in biology at various universities, including Oxford and UCLA, and for six years was a lecturer in botany at St Andrews University, before leaving academia to write full time.

He started publishing science fiction with the short story "Wagon, Passing" for Asimov's Science Fiction in 1984. His first novel, 400 Billion Stars won the Philip K. Dick Award in 1988, and 1995's Fairyland won the Arthur C. Clarke and John W. Campbell Awards. He has also won the British Fantasy, Sidewise and Theodore Sturgeon Awards. He lives in London.

Neil Clarke is the editor of Clarkesworld and Forever Magazine; owner of Wyrm Publishing; and a five-time Hugo Award Nominee for Best Editor (short form).

He currently lives in New Jersey with his wife and two children.

Kim Stanley Robinson is a New York Times bestseller and winner of the Hugo, Nebula and Locus awards. He is the author of more than twenty books, including the bestselling Mars trilogy, 2312, Aurora and New York 2140. In 2008 he was named a 'Hero of the Environment' by Time magazine, and he works with the Sierra Nevada research institute. He lives in Davis, California.