David M. Harland
Autor von "Enhancing Hubble's Vision", "The Hubble Space Telescope" und "Robotic Exploration of the Solar System" und weiteren Büchern.
Richard Orloff is a historian of the Apollo program who, in 2000, compiled a review of the Apollo missions, supplemented by a comprehensive tabular statistical reference. This was published by NASA and is now out of print. David Harland is also a space historian who has studied and written extensively about the Apollo program.
