This episode is brought to you by Medical Murders, a Spotify Original from Parcast. For more episodes like this one, subscribe to Medical Murders, free on Spotify! Neurologist Walter Freeman was a top doctor in his field. He was on the cutting edge of brain surgery, even going so far as to develop a new procedure called the 'lobotomy'. Unfortunately, it became one of the deadliest medical techniques of the 20th century. Learn more about your ad choices. Visit megaphone.fm/adchoices