. The USA. For this outstanding person creating airplanes presented the lifetime work. Over the years beginning with 1936. John made 5.829 wooden airplanes. Actively creating. On average two model airplanes a week till the last day of his life. After his death on February 17. 2003. the collection has been donated to the Embry - Riddle Aeronautical University. Prescott. Arizona. USA. And housed in the university's library. To induce the collection into The Guinness Book of World Records the university held a special ceremony dedicated to the event.