My grandfather was John Lawrence McHale. He was recruited and employed for the Manhattan Project, Project Y, Trinity, etc.
His impact on my life and my family is immesuarable, which is ironic, since I can't measure his contribution. To this day, despite the personally signed letter of commendation from Dr. Oppenheimer, we don't know what his noteworthy idea was.
If anybody knows anything, or can give me any leads, please let me know.
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