Martin gave three forums at the Golden West Fly In in 2011. See Forums and Air-Shiows. Below are comments from book readers:

Hi Martin, I wanted to thank you for putting together a great book on aircraft design, I enjoyed it thoroughly, and I plan on utilizing it as a reference for my design I am working on. Chris Zupp, Cincinnati Ohio

Dear Martin, I really appreciate your collection of resources on your aircraft designs website. Best Wishes, Cate Newton, Manager, SR Education Group.

I have fond memories of camping under the wing of my Cessna 140 at the Watsonville Airshow in the late seventies and Marty would do dawn patrol with his gyrocopter and wake everyone up. He was always willing to talk with me about motor glider designs and what he had on his drawing board. Keep 'em flying, Curtis Clark

Martin's good friend, Richard Trickel, passed away on Oct 15, 2011. He was living in Brazil at the time. See NOVA @ KIS.