Terry Gross

Writer and director M. Night Shyamalan. He's the man behind the new #1 hit film, "The Sixth Sense" about a boy who sees the dead. The film stars Bruce Willis. Shyamalan made his film debut with "Praying with Anger" which was named Debut of the Year by the American Film Institute in Los Angeles.

Botanist Margaret Lowman. She's a pioneer in research on forest canopies, i.e, the treetops - their inhabitants, flowers, fruits and morality. Her new book is "Life in the Treetops: Adventures of a Woman in Field Biology" (Yale Book News). LOWMAN is director of research and conservation at the Marie Selby Botanical Gardens in Sarasota, Florida.

U.S. Ambassador to Vietnam Pete Peterson. He's a former Florida congressman and a former P.O.W. during the Vietnam war. He spent almost seven years as a prisoner of war. Now everyday, living in Vietnam, he passes by the Hanoi Hilton, the building that held him. Peterson is the subject of a new PBS documentary, "Assignment Hanoi." (It airs on many PBS stations September 7th).