Douglas Irwin is the John Sloan Dickey Third Century Professor in the Social Sciences in the Economics Department at Dartmouth College and the author of seven books. He is an expert in both past and present U.S. trade policy, especially policy during the Great Depression. Wikipedia*
On the C-SPAN Networks:
Douglas Irwin has two videos in the C-SPAN Video Library; the first appearance was a 2004 News Conference. The year with the highest average number of views per program was 2012 with an average of 433 views per program.