the prison director. it appears it was an inhouse escape. >> brian: the signing of the u.s. constitution and the document that created the role of the president. 43 different men assumed the role. >> gretchen: many are remembered fondly and others get lost between the pages and joining us is author of the don't know much about the american president. kenneth davis. you told mow you started this when you were nine years old and found a copy. >> i found a project written about the presidents in third grade and thinking about this and working on it a long time. a lot of people ask me how to you get interested in history. i went to gettiesburg or sagamore hill and history