Happy Birthday David McCullough

I want to wish author David McCullough a happy birthday today. David McCullough is an historian, author and lecturer. He is a two time winner of the Pulitzer Prize, for his books Truman and John Adams. He has also received the National Book Award, the National Book Foundation Distinguished Contribution to American Letters Award, the National Humanities Medal and the Presidential Medal of Freedom. David McCullough's next book is to be released in 2010.