Psychology 1504, or "Positive Psychology," has become the most popular course at Harvard this semester. Twice a week, some 900 students attend Tal Ben-Shahar’s class on what he calls "how to get happy." He achieved personal happiness by taking himself off the tenure track — because not having to publish makes him happy.

Listen to the interview on National Public Radio, All Things Considered, Mar 22, 2006

Go to Ben-Shahar’s class resources