Well, my first choice would be Abraham Lincoln...and I would want to smoke at Gettysburg.
Second choice is Mackenzie King, who most of you probably don't know, but he was Canada's PM during the 2nd world war...and basically mastered the art of running our country. I'd have a few questions for him.
And...the woman who wrote "Incidents in the Life of A Slave Girl", whose name is Harriet Jacobs. Although she wrote the novel under an alias name(Linda Brent) because it was published in a time when slavery was still rampant.
If anyone likes history, this is an amazing read.