Please understand that computers were not common place when I was a kid. The world wide web is relatively new. Yes, at NASA Ames Research Center. Ames Research Center is located at Moffett Field in northern California. Conventional helicopters are limited in range but very versatile because of their vertical take off and landing capabilities.
Helicopters range widely in size, payload and range capability.
Bell Helicopters is presently working on a commercial version of the tiltrotor. I really enjoyed and did well in math and science. Those skills helped prepare me and direct me towards a technical career like engineering. And so here I am today. Yes, NASA Ames has been a pivotal player in the advancement of tiltrotor research.