Terry Gross

South African writer, actress and first-time playwright Pamela Gien. Her off-broadway one-woman show is The Syringa Tree. It's a semi-autobiographical play about the love between two families, one black, one white. She plays 28 different characters in it.

Writer Richard Lourie. His new book, Sakharov, is a biography of the Russian scientist, dissident and Nobel peace prize winner Andrei Sakharov. He's considered one of the greatest physicists of the 20th century. Sakharov created Russia's H-bomb, but later confronted his country over issues of nuclear responsibility and human rights.

An expert in climate change research, Paul Mayewski led the National Science Foundation's Greenland Ice Sheet Project 2. The project extracted ice cores chronicling 100,000 years of climate history. Mayewski, with co-author Frank White, writes about their expeditions in the new book, The Ice Chronicles: The Quest to Understand Global Climate Change (University Press of New England). Mayewski is also co-director of the Institute of Quaternary and Climate Studies at the University of Maine.

Science fiction writer Sheri S. Tepper is the author of over a dozen novels including, The Fresco, The Family Tree, Grass and her newest, The Visitor. (Harper Collins).

Correspondent for the National Catholic Reporter John Allen. He covers the Vatican for the paper and has a regular column, "The View From Rome." This week American cardinals are meeting in Rome to discuss the sex abuse scandals that have rocked the Catholic Church in the United States.

French film director Laurent Cantet. He's made two feature films, both of which focus on the world of work, and the toll that work can take on our lives. His first film, made in 1999, was Human Resources. His newest film Time Out is about a middle-aged, mid-level executive who loses his job, but doesnt tell his family. The film has just been released here and has received critical acclaim.

Ugandan Aids activist Noerine Kaleeba. She works with UNAids, a United Nations organization in Geneva. Shes also on the Ugandan committee on Aids, and founded The Aids Support Organization in Uganda. Kaleeba lost her husband to the disease; four of her siblings are HIV positive as are a number of their children. Kaleeba is also author of the book, We Miss You All: Noerine Kaleeba - Aids in the Family (Women & Aids Support Network).

Through his first band, La Perfecta, labeled "the band with the crazy roaring elephants," Palmieri was credited with originating Latin jazz's trombone sound in New York during the sixties. In 1994, Palmieri's lobbying culminated in the announcement of a new Grammy Award category for Afro-Caribbean Jazz.

Film critic Henry Sheehan reviews the new DVD release of the classic Preston Sturges film, Sullivans Travels.

Actor and comedian Denis Leary. He currently starring in the ABC comedy series, The Job. He also known for his work in films such as The Thomas Crown Affair and The Ref. Leary has completed over 20 feature films, several cable specials, a book, a CD, and he has an international hit song. He got his own production company, Apostle.