Donald Trump’s uncle, Dr John Trump, worked on the Manhattan project, and was a professor at MIT. PhD on Physics.
Uncle John developed Radar. Used by our troops but also in England . He work and received award from both England and the U.S.
He took a hiatus from medical radiation work to do this important military work. He returned to medical radiation after the war. Any one having Xray and radiation can thank Uncle John for his initial work. He was NOT directly involved in the Manhattan project.
Google John Trump