Aviation has long been a contributor to the good things in life, and to technological advances that have benefited people far outside of aviation.One of those innovators was Clarence "Kelly" Johnson, who ran the "Skunk Works" and developed the U-2 and SR-71 aircraft. Here is an very interesting post regarding Kelly Johnson:A look at the design process of aviation innovator Clarence "Kelly" Johnson Far more than a pioneer, Kelly Johnson designed aircraft that exceeded all expectations. It was a thrill for any pilot lucky enough to fly one of his creations.Here is an interesting video about Kelly Johnson titled "A letter to Kelly Johnson": If you love aviation, you will love this video.