Letter from United States Army, Office of the Surgeon General to Michael Heidelberger
After the United States entered World War I in April 1917, Heidelberger was commissioned as a Lieutenant in the Sanitary Corp
of the U.S. Army, and assigned to the Section on Combating Venereal Diseases. His duty there was to conduct research on anti-syphilitics,
research which dovetailed closely with the work on the chemotherapy of syphilis he had been conducting with Walter A. Jacobs
at the Rockefeller Institute for Medical Research. He was stationed at the Rockefeller Institute, his home institution, which
during the war provided training to army physicians in laboratory technique. Heidelberger was under the command of the Institute's
director, Simon Flexner, who was also the chief officer of the Section on Combating Venereal Diseases.
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1918-01-03 (January 3, 1918)
United States Army. Office of the Surgeon General
This item is in the public domain. It may be used without permission.
To: Dr. Michael Heidelberger, Rockefeller Institute for Medical Research, 66th St. and Ave. A, New York City
Subject: Commission in Sanitary Corps
1. I am directed by the Surgeon General to inform you that at your recent examination for appointment in the Sanitary Corps,
you were found qualified and your name has been submitted to The Adjutant General of the Army with recommendation that you
be commissioned a member thereof.
2. Upon receipt of notification that you have been commissioned, you should provide yourself with the following equipment:
1 hat, service
2 breeches, service O.D.
1 coat, service, O.D.
1 pair officers' leather leggings
2 pairs russet shoes
2 shirts, woolen, O.D.
1 hat cord, officer's
1 bed roll
2 army blankets
1 folding canvas cot
1 trunk locker
1 web belt
1 black tie
3. The insignia of the Sanitary Corps are a bronze "US", with the letters "NA" in bronze super-imposed, and
a bronze caduceus, with the letter "S" in gold super-imposed. All of the above equipment must be purchased from private