The New York Times reports Nimoy's wife Susan Bay Nimoy confirmed her husband died of "end-stage chronic obstructive pulmonary disease" in the couple's Bel-Air home Friday morning.
"My grandpa passed away this morning at 8:40 from end-stage chronic obstructive pulmonary disease," Nimoy's grandson Dani said in a statement released by post-mortem Twitter service TwitLonger.
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