see more

Bill Gates, founder of Microsoft Corp., left, talks with his father Bill Gates Sr., during an event at the 92nd Street Y in New York, U.S., on Wednesday, June 2, 2010. They discussed the elder Gates' new book 'Showing Up for Life: Thoughts on the Gifts of a Lifetime.' Photographer: Jeremy Bales/Bloomberg via Getty Images

Bill Gates, founder of Microsoft Corp., left, talks with his father Bill Gates Sr., during an event at the 92nd Street Y in New York, U.S., on Wednesday, June 2, 2010. They discussed the elder Gates' new book 'Showing Up for Life: Thoughts on the Gifts of a Lifetime.' Photographer: Jeremy Bales/Bloomberg via Getty Images