“You see, last August, we probably had the hottest summer in history, and I was working in shirt-sleeves in my office on the fortieth floor of the Empire State Building. We had a power failure one day, you know, and there I was stuck for four hours, no elevator, no air conditioning. All the way in the train I kept thinking, and the minute I reached home in Connecticut, I told my wife Ruth, ‘We will visit India this winter, it's time to look at other civilizations.’”