William Henry `` Bill '' Gates ( born William Henry Gates II ; November 30 , 1925 ) is a retired American attorney and philanthropist and author of the book `` Showing Up for Life : Thoughts on the Gifts of a Lifetime '' .
William Henry Gates , Sr. ( born William Henry Gates II , November 30 , 1925 ) is a retired American attorney , philanthropist and author of the book `` Showing Up for Life : Thoughts on the Gifts of a Lifetime '' .