Photo Acknowledgements
The support and contributions of the following are gratefully acknowledged. Each has graciously permitted the use of photographs, animations, film clips and illustrations in the "From Autogiro to Gyroplane: The Past, Present and Future of an Aviation Industry" Hofstra University conference website in conjunction with the April 25 — 26, 2003 conference and accompanying Hofstra University Museum exhibit at that time.
- Stephen "Steve" Pitcairn and the Pitcairn Aircraft Association
- Jay Carter, Jr. and CarterCopters, LLC
- James P. "Jim" Mayfield III and Groen Brothers Aviation
- Jim and Kelly Vanek and Sport Copter Inc.
- Martin Hollmann and Aircraft Designs, Inc.
- Vittorio Magni and Magni Gyro and Magni Gyro USA
- Stu and Kathy Fields
- David Gibbings and Westland Helicopters Ltd.
- Dr. Bette Davidson Kalash and the Jesse Davidson Aviation Photo Archives
- Aeroplane Magazine
- Autogyro 1/4ly and Ron Bartlett
- Fly Gyro! and Mel Morris Jones
- Marie Brock and Ken Brock Manufacturing
- Jukka Tervamäki
- Mat Recardo
- David Gittens