National Dairy Products Corporation: "There are two sides to this picture"

DESCRIPTION:

The above ad from the National Dairy Products Corporation, from the April 8, 1946 issue of Time magazine, explains that penicillin is actually derived from a mold cultivated by milk sugar.

FULL CITATION:

National Dairy Products Corporation ("There are two sides to this picture"), Time 47 (April 4, 1946): 1.