WILLIAM H. PATTERSON was a lifelong devotee of the works of Robert A. Heinlein, and was chosen by Virginia Heinlein to write Robert Heinlein's official biography, "Robert A. Heinlein: In Dialogue with His Century: Volume 1 (1907-1948): Learning Curve "and "Robert A. Heinlein, Vol 2: In Dialogue with His Century Volume 2: The Man Who Learned Better". He died on April 22, 2014.