User:Jmsuperwoman/sandbox

= Halvard Lintvedt = Halvard Lintvedt (March 28, 1903 – December 12, 1973) was a Norwegian-American theoretical physicist, engineer and inventor. He was most known for his work that helped in designing an atomic bomb that detonated in 1940 during World War II, though he is not worldly known. He conducted several theories and designs for other projects including the launch of North American X-15 aircraft and smaller creations for NASA.