[JoeF]

https://en.wikipedia.org/wiki/Robert_H._Liebeck
aka, Bob Liebeck
Liebeck airfoil
Liebeck's radiance has had a significant interface with the renaissance of hang gliding in the 20th century.

Have a delight in the world of Liebeck.

Random peek into that world where an essay spots Liebeck: http://adg.stanford.edu/aa241/airfoils/airfoildesign.html Airfoil Design Methods