Please identify the person, and invention to the clues provided.?

Question

"Clue Rules: Please identify a person, place or thing with an Aerospace connection.
Clue #1) A letter to Roosevelt requested me
Clue #2) Its inventor lived in Germany, was educated in Switzerland
Clue #3) The rights to the design were sold for $1.00"


From briefly researching the internet I found that the inventor is Einstein, but I can't figure out which invention he sold for a dollar.

Answer 1

Albert Einstien. Atom bomb information

Answer 2

Your barking up the wrong tree young man. Try:
Wernher von Braun, inventor of the rocket. Invented same while living in Germany during the second world war.