An exclusive profile/interview of Dr. Donald A. Henderson, dean of the Johns Hopkins University School of Hygiene and Public Health. Interview by Blaine Taylor.
D049673:History, 20th Century; D006920:Hygiene; D008396:Maryland; D011634:Public Health / Q000266:history; D012899:Smallpox / Q000517:prevention & control*; D014495:Universities / Q000266:history