David McCullough — American Historian born on July 07, 1933,

David Gaub McCullough is an American author, narrator, historian, and lecturer. He is a two-time winner of the Pulitzer Prize and the National Book Award and a recipient of the Presidential Medal of Freedom, the United States' highest civilian award... (wikipedia)

There's an awful temptation to just keep on researching. There comes a point where you just have to stop, and start writing.
History is a guide to navigation in perilous times. History is who we are and why we are the way we are.
A nation that forgets its past can function no better than an individual with amnesia.
To me history ought to be a source of pleasure. It isn't just part of our civic responsibility. To me it's an enlargement of the experience of being alive, just the way literature or art or music is.
People are so helpful. People will stop what they're doing to show you something, to walk with you through a section of the town, or explain how a suspension bridge really works.