michael willrich from brandeis, university, where he is associate professor in the department of history. and, of course, as you know, dr. willrich will be talking about his book, "pox and the american history." his first book, "city of courts," won the distinguished prize awarded by the historical association for the best book on any aspect of american history and the cromwell prize. dr. willrich received his ph.d. from the university of chicago. before that he worked for several years as a journalist in washington, d.c. writing for the washington monthly, city paper and other magazines. please dwi doctor will -- please give dr. willrich a very warm welcome. >> i've got so many wonderful public programs going on right now bringing the history of medicine and disease which are so important to our national history to people not only in functions like this, but over the internet and through publications. so it's a real honor to be here, and i want to thank carrie for inviting me and being such a gracious host. well, as everyone in this room knows, vaccines long hailed as modern medicine's