The Leonard Lopate Show Published by The Leonard Lopate Show Genius on the Edge 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.