Arthur C. Clarke is considered to be the greatest science fiction writer of all time. He is an international treasure in many other ways: An article written by him in 1945 led to the invention of satellite technology. Books by Mr. Clarke--both fiction and nonfiction--have more than one hundred million copies in print worldwide. Mr. Clarke passed away March 19th, 2008.

Frederik Pohl is the author of many novels, including The Boy Who Would Live Forever; Gateway, part of his acclaimed Heechee saga; and Jem, for which he won the National Book Award. With Isaac Asimov, he was a founding member of the New York-based science fiction group known as the Futurians. In the sixties, Pohl edited Galaxy magazine and its sister magazine, if, which won the Hugo Award three years in a row. In 1993, he became a Science Fiction Writers of America Grand Master. He lives in Palatine, Illinois.