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