kelso lives in pennsylvania with his wife, deborah. deborah here today. they have three children, one of whom is in the military and they also have five grandchildren. so welcome, dr. alan. so. and now jennifer beacom president radnor society will introduce dr. john jon grinspan here from the smithsonian and i'll just give you a heads up that the q and a after both authors have presented will follow in not too long from now. okay. and then we'll ask you to come up here to ask your question. if you feel like doing so. so thank you for coming. and here's jennifer. good afternoon, everyone. as pam just said, my name is jennifer beacom. i am president of the radnor historical. i would like to thank the radnor memorial library. c-span main point and both of our authors for their wonderful partnership in putting together putting together today's event. and i am honored to introduce dr. jon grinspan, the curator of political history at the smithsonian's national museum of american history, which my husband and i visited about six weeks ago, and ironically, we ha