Elizabeth Anne Fenn is an American historian whose book 'Encounters at the Heart of the World: A History of the Mandan People' won the 2015 Pulitzer Prize for History. Wikipedia*
On the C-SPAN Networks:
Elizabeth Fenn has two videos in the C-SPAN Video Library; the first appearance was a 2002 Speech as a Professor for the History Department of the George Washington University. The year with the highest average number of views per program was 2015 with an average of 1,473 views per program.