He did his graduate work in history at the university of pennsylvania, where he focused on the history of religion, he holds a master, and his roster of publications is so long that i am not going to try to read them all to you you can go to get a full account of his publications, and other salient elements of his biography in his doings i am going to mention five books that i think are especially pertinent to what we will be doing this afternoon. The first is called Abraham Lincoln, redeemer president. It was published in 1998. It is the first of his lincoln books. The emancipation proclamation the end of slavery in america published by simon and schuster. That brought him his second lincoln prize. Lincoln and douglas the debates that defined america. For some reason that did not win the lincoln prize. A new history of the civil war and reconstruction came out in 2012. The fifth title i will mention is called gettysburg, the last invasion, which brought a third lincoln prize to alan.