Markoff's obituary [1] in the New York Times says, "The cause was not known, his wife, Colleen Barton, said, but in recent years he had suffered the effects of

Markoff's obituary [1] in the New York Times says, "The cause was not known, his wife, Colleen Barton, said, but in recent years he had suffered the effects of an earlier bicycle accident." [1] https://www.nytimes.com/2020/02/20/technology/lawrence-tesler-dead.html https://www.nytimes.com/2020/02/20/technology/lawrence-tesle...