Dr. David Charles Poskanzer got a phone call in his Albany, N.Y. office: "Dave, what do you know about Iceland disease?" By chance. Dr. Poskanzer, a disease detective for the U.S. Epidemic Intelligence Service (TIME. Jan. 19, 1953), was able to answer: "I've just read the entire world literature on the subject—both papers." Immediately, his boss ordered him to a spot where an outbreak of the rare disease was suspected. The spot: Punta Gorda, Fla.
That was a year ago. Last week Dr. Poskanzer, 28, reported to the American Federation for Clinical Research, meeting in Atlantic City, N.J., what he and his...