[laughter] [applause] announcer: up next on "american history tv," author and historian shauna devine book, (202) 748-8000 for -- "learning from the wounded.". she argues that medicine in the united states was antiquated and unprepared for the civil war. but during the conflict, union army physicians adopted new practices for the study and treatment of wounds and diseases. it is about 35 minutes. >> on behalf of the 2015 tom watson brown award committee, on which i serve, jim houston at oklahoma state, and the man himself, fat brown -- thad brown, we are pleased to report that we selected this year's winner, no surprise to anyone here at this point, shauna devine,