it's hard to imagine harriet tuchman, moses leading people to freedom. then you saw that picture and there's a look at her i. it was a style. >> for me, imagery is really what helps history come alive to me. i first got interested in history, looking at all old photographs as a little kid, wondering, what were their lives like? where they happy? where they treated fairly? for me, photographs and the visual literacy, that we can help america have, it's so important because it builds upon the amazing scholarship of the written word. i have always thought if i ever have one of those formal portraits ever painted, i want a photograph of -- >> i remember those same types of experiences, looking at old photographs, family photographs, and one that has been interesting, and i don't know if you've had this experience recently, of older generations telling you about things that relate to what is happening now. one of the first photographs, i remember being horrified about it and wondering, seeing my mother's brother in a casket. it was a big funeral. as a child w