A few decades ago, you'd have been hard pressed to find many survivors of transplant surgery. Today, we have come to expect that such surgery will work. Surgeon Roy Calne is one of the pioneers who made transplant surgery a practical medical tool. He's also a painter whose works capture subjects as diverse as a tiger in the jungle and the history of these startling medical advances. When he began as a surgeon, almost all these procedures failed because of the body's refusal to accept the new organ.