Philco Television Playhouse
Bulletin 120
Season 3, Episode 28 · Aired 1951-03-25

Synopsis
The story for this program is taken from the files of the U.S. Public Health Service. In 1915 in Mississippi, Dr. Joseph Goldberger works with a test group of convicts and discovers that pellagra is caused by a dietary deficiency and not infection.
In the series
This episode is part of Philco Television Playhouse (1948–1955) on NBC.
Chayefsky's kitchen-sink live plays — ordinary lives, extraordinary telecasts.