Mark Nigrini shares the story of physicist Frank Benford, a man whose curiosity about a book inspired a bizarre discovery. Benford's Law, as it is now known, reveals a cosmic preference for certain numbers. Then Darrell D. Dorrell, a forensic accountant, describes how he uses Benford's Law to bust crooks.

Paul Hoffman tells us the story of a boy trapped in a world of numbers, who grew into one of math's greatest proselytizers, Paul Erdös. Joel Spencer and Jerry Grossman help bring to life the man behind the numbers. From producer Ben Calhoun.