My uncle Marvin bought a full size glider when I was a toddler, and kept it in our basement. I spent many hours sitting the the bare bones fuselage, playing with the controls I could barely reach, and pretending to fly.
We moved to the farm in the early forties, and my uncle (now newly married) stored some of his stuff in the barn loft. While rumaging around there one day, I opened a large wood crate, and inside were the plans to a wondrous and beautiful rubber powered model airplane. My uncle told me the model was lost OOS, but he kept the crate thinking he might build another.
Turns out my Uncle won the Moffett trophy at the Nats the year that I was born (37) with that very airplane, which he designed himself. Sure wish I'd kept those plans, because they were never published, and can never be replaced.
My uncle was my best friend, and when I expressed an interest in building and flying model airplanes, he took the time to teach me basic aerodynamics, and showed me the approximate ratio of flying surfaces, proper wing incidence, basic airfoils, and how to trim an airplane for a good climb and glide. I used those proportions to design my first rubber powered sheet balsa stick models, and amazed the neighbor kids by flying them in the back yard.
Bill