Professor Langbein earned his A.B. in Economics from Columbia University in 1964; his LL.B. 'magna cum laude' in 1968 from Harvard Law School; and a second LL.B. in 1969 and a Ph.D. in 1971 from the University of Cambridge. His Cambridge Ph. Wikipedia*
On the C-SPAN Networks:
John Langbein has one video in the C-SPAN Video Library; the first appearance was a 2002 Senate Committee.