“Frederic Truby King” by Unknown, From: Semi-centennial volume of the American Pediatric Society (1888-1938), published: c. 1938, Page 393 – [1]. Licensed under Creative Commons Attribution 4.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Frederic_Truby_King.jpg#mediaviewer/File:Frederic_Truby_King.jpg
