Terry Gross

Jon Sarkin was working as a chiropractor when he suffered a massive stroke. Afterwards, he became an obsessive visual artist whose work was as fragmented and cluttered as his mind had become. Sarkin is the subject of a new book, Shadows Bright as Glass, by science writer Amy Nutt.

New York Times investigative journalist Walt Bogdanich discusses his ongoing series on mistakes made during radiation treatments. He also details what a patient should always ask before receiving an type of X-ray, scan or radiation treatment.

Fresh Air remembers director Sidney Lumet — who died Saturday at age 86 — with excerpts from a 1988 interview. One of Hollywood's most prolific directors, Lumet created more than 40 films, including Network, Serpico, Fail-Safe, Dog Day Afternoon, The Wiz, The Verdict and Prince of the City.