Prime ObsessionBy: John Derbyshire The definitive story of the Riemann Hypothesis, a fascinating and epic mathematical mystery that continues to challege the world. In 1859, Bernhard Riemann, a little known thirty two year old mathematician, made a hypothesis while presenting a paper to the Berlin Academy titled On the Number of Prime Numbers Less Than a Given Quantity. Today, after 150 years of careful research and exhaustive study, the Riemann Hyphothesis remains