The Leonard Lopate Show Published by The Leonard Lopate Show Genius on the Edge Listen 20 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/60140/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Surgeon Dr. Gerald Imber talks about the doctor who invented modern surgery in the nineteenth century, the brilliant but haunted William Stewart Halsted. Genius on the Edge: The Bizarre Double Life of Dr. William Stewart Halsted is a biography of the man who took surgery from a dangerous practice to what is now a lifesaving art, despite being addicted to both cocaine and morphine for forty years of his life.