UK History professor and Pulitzer Prize nominated author Tracy A. Campbell's latest book, "The Gateway Arch: A Biography," explores the political and economic history of St. Louis and the origins of the city's most recognized structure. Campbell also serves as co-director of UK's Wendell H. Ford Public Policy Research Center.

UK alum Alan Lowe uses his degrees to make sure the history of President George W. Bush is archived for generations to come. Special thanks to Alan Lowe, the George W. Bush Foundation and the George W. Bush Presidential Library and Museum for the photographs and artifacts shown in this video.