In the Fall of 1998 the LSU Mathematics Porcelli Lecture Series was given by Professor Carl Pomerance, then Professor at the University of Georgia, Athens, Georgia:
http://en.wikipedia.org/wiki/Carl_Pomerance
Lecture 1: Prime Numbers: What we know and What we don't
Lecture 2: Paul Erdős: Number Theorist Extraordinaire
Lecture 3: Smooth Numbers
More information:
https://www.math.lsu.edu/research/porcelli-lectures