Lights in the great darkness.  The 1971 Harvey Cushing oration.
D002170:Canada; D005602:France; D005858:Germany; D049673:History, 20th Century; D009462:Neurology / Q000266:history; D009493:Neurosurgery / Q000266:history*; D013030:Spain; D006113:United Kingdom; D014481:United States