Psychologist Kay Redfield Jamison is the author of "An Unquiet Mind: A Memoir of Moods and Madness." In it, she reveals she suffers from manic depression, which resulted in an attempted suicide. She describes her struggle with depression whilst maintaining a professional and personal life. (Originally aired December 1995)

John Ralston Saul is the author of "Louis-Hippolyte LaFontaine and Robert Baldwin", who are two fathers of modern Canada that we hear little about. This book is part of the Extraordinary Canadians series.

In professor Brian Wansink's book "Mindless Eating: Why We Eat More Than We Think", he explains the psychology of eating and consumer behaviour and the hidden cues that that makes us eat more than we need. (Originally aired Jan 2008)

Billionaire media tycoon Michael Bloomberg analyzes the explosion of business news and the market. (Original air date October 1998)

In his new book "Here On Earth", Australian scientist and author Tim Flannery makes the optimistic claim we can still save our planet.

Oxford historian Niall Ferguson reviews the world's oldest motives for war, and concludes in his book, "The Pity of War" , that World War I was unnecessary. (Originally aired November 2000).

Filmmaker Deepa Mehta on her latest film "Fire". Her first Canadian feature, "Sam and Me" won rave reviews, but her next film "Camilla" did not.

Journalist Carl Bernstein on his book "His Holiness: John Paul II and the Hidden History of our Time", which deals with whyt the Soviets saw Pope John Paul II as a serious threat to their survival. (Original broadcast October 1996)

Paul Watson, founder of the Sea Shepherd Conservation Society, has spent a lifetime using revolutionary tactics to oppose the hunting of marine wild life. His latest book is called, "Seal Wars" and chronicles his efforts to stop the slaughter of Harp seals. (Original broadcast March 2003)

British entrepreneur Richard Branson, founder of the Virgin empire, talks about how he carved his unique path to success. (Original broadcast April 2001)