Terry Gross

British actress Helen Mirren, perhaps best known for her long-running role as Det. Supt. Jane Tennison on TV's Prime Suspect, has had two quite closely related roles recently. She plays Elizabeth I in a new HBO four-part miniseries premiering April 22; then she appears as Elizabeth II in The Queen, a film from Stephen Frears.

Dr. E. Fuller Torrey is a research psychiatrist specializing in schizophrenia and manic-depressive illness. He has authored many books on the subject of mental illness and is president of the Treatment Advocacy Center, as well as associate director for laboratory research at the Stanley Medical Research Institute.

When journalist Pete Earley's son was diagnosed with bipolar disorder, it sent him on an effort not only to get his son properly diagnosed and treated, but to understand the nation's mental health system. Earley's book about the experience is Crazy: A Father's Search Through America's Mental Health Madness.