Kiyoshi Ito, 93, Mathematician Who Described Random Motion, Dies - Obituary (Obit) - NYTimes.com

His name may not mean much to many, but if you ever took a PHD finance class there is little doubt you will ever forget him. Ito's work played a major role in the development of the Black-Scholes option pricing formula.From the NY Times: Kiyoshi Ito, 93, Mathematician Who Described Random Motion, Dies - Obituary (Obit) - NYTimes.com: "Kiyoshi Ito, a mathematician whose innovative models of