American mathematical physicist.
Born December 19th, 1944 in Philadelphia.
Died June 30th, 2019 at 74 years old in New York City (myocardial infarction). [ref]
Those men who, in war, seek to preserve their lives at any rate commonly die with shame and ignominy, while those who look upon death as common to all, and unavoidable, and are only solicitous to die with honour, oftener arrive at old age and, while they live, live happier. Xenophon