The most important architectural thinker of the young American republic was Thomas Jefferson. He also held captive more than 600 enslaved men, women, and children in his lifetime. Architects Mabel O. Wilson and Louis Nelson discuss Jefferson’s conflicting ideals. Also: Erik Neil takes us through a Chrysler Museum exhibit that explored the inherent conflict between Jefferson’s pursuit of liberty and democracy and his use of enslaved laborers to construct his monuments.

Later in the show: Phillip Herrington says the white-columned plantation house is one of the most enduring and divisive icons of American architecture. Plus: The history of segregation is not just in our architecture, but in other public arts. John Ott is studying how artists in the early 20th century represented integration in their works, particularly in public murals and sculptures.