Kwame Anthony Appiah is one of America's leading public intellectuals. In this investigative feature he is on a mission to find out what Barack Obama is like as an intellectual.
Obama: Professor President explores the intellectual influences and ideas which shaped Obama the scholar, teacher and academic.
We go into the windy quads and tree-lined streets of the campus in Hyde Park on Chicago's South Side, in search of the elemental Obama and ask those who worked with him, his mentors, academic peers and students, what shaped his ideas and how he thinks.
First broadcast on BBC Radio 4, on the 6th January 2009