What makes us who we are? Is it our DNA? Our childhood experiences? In this hour of To the Best of Our Knowledge, the new science of personality. Also, Jungian analyst James Hillman on why scientists will never uncover the true secrets of character.

SEGMENT 1

Frank Sulloway is a research scholar at M.I.T. and the author of "Born to Rebel: Birth Order, Family Dynamics and Creative Lives," a book social scientists are hailing as the most important work since Darwin and Freud. Sulloway tells Jim Fleming that sibling rivalry not only shapes personality, it molds the course of human history.

SEGMENT 2:

Science writer Winifred Gallagher tells Steve Paulson that science may be about to resolve the nature/nurture debate. Gallagher is the author of "I.D.: How Heredity and Experience Make You Who You Are." Also, Peter Kramer - clinical professor of psychiatry at Brown University and the author of "Listening to Prozac," tells Judith Strasser that personality can be affected by drugs and that he's worried about the ethical implications.

SEGMENT 3:

Jungian analyst James Hillman thinks the scientists have it all wrong. He tells Steve Paulson that our task in life is to find our particular calling and gives examples of several people who did. Hillman's latest book is "The Soul's Code: In Search of Character and Calling."

Distribution dates:

• week of 11/10/96 - hour 2
• week of 06/15/97 - hour 2