Were You Close?: A sister's quest to know the brother she lost

A successful radiologist and elite athlete, Dr. Dave tended to the blistered feet of strangers on racecourses and gave away many of his trophies. He was appreciated for his generosity and camaraderie with family, friends, colleagues, and adventure-racing teammates, the latter of whom usually accompanied him on excursions. But he embarked on his final pursuit alone-an attempt to summit all fifty-four of the fourteeners in Colorado-and made an unknowable error that caused him to fall two hund...