Joseph Laws McKibben (1912 – 2001) was an American physicist and engineer who worked with J. Robert Oppenheimer as a group leader on the Manhattan Project.
[1] He personally witnessed the Trinity test and flipped the switch that set off the atomic bomb at Trinity.
[2] McKibben, motivated by his daughter Karan's paralysed hands due to polio, also invented the Air Muscle in 1957.
He died in 2001 in Los Alamos, aged 89.
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