you heard marvin pickard mention mary walker. there was a doctor in the civil war, mary walker, that received the medal of honor, a surgeon on the battlefield. tended to troops at bull run, was captured, was a prisoner of war for a period of time, and tended to wounded and troops there on both sides, by the way, then was released. her medal was taken away during a review in 1918 i think it was because she was a contract surgeon, not a member of the military. it was reinstated by president jimmy carter a number of years later. so there is one woman, dr. mary walker, who received the medal of honor, and the story goes, she never took it off any time throughout her life, despite the demands to take it back. she kept it. and she received it more officially, was reinstated later on. thank you very much for your time. we'll be upstairs later on. [ applause ] >>> you're watching american history tv. 48 hours of people and events that helped document the american story. every weekend on c-span3. >> all weekend long, american history it t