Thomas E. Pinelli
United States. General Accounting Office
Nathalia Holt
Arthur C. Clarke
Saeed Farokhi
Unknown Author
Rolls-Royce.
Hans Klein Woud
Jonathan Lethem
Robert G. Jahn
W. P. A. van Lammeren
Bill Gunston
Chris Barton
Sir Frank Whittle
Jack D. Mattingly
T. B. Pawlicki