Dr. Nuland was a participant in Closer to Truth: 

Show 108, "Can You Really Extend Your Life?"
Show 205, "Will Gene Therapy Change The Human Race?"
Show 209, "Who Needs Sex Therapy?"

Dr. Sherwin Nuland

Sherwin Nuland is clinical professor of surgery at Yale University, where he also teaches medical history and bioethics. His best-selling books, How We Die and How We Live, are remarkable portraits of life and death and have been called resonant works of moral philosophy.