File:Dachau cold water immersion.jpg

Summary

The photo is in the public domain in the U.S. and does not need a free use rationale, but here is one for doubters.

Non-free media information and use rationale true for Nazi human experimentation
Description

Medical experiment conducted by doctors on a prisoner in the Dachau concentration camp, Germany, date unknown. The photograph was submitted in evidence during one of the Doctors' trials, part of the Subsequent Nuremberg trials held by the United States in Nuremberg from 1946 to 1949.

Source The photograph was published in "Human laboratory animals: Photographs of experiments on prisoners are submitted in the trial of 23 German doctors at Nürnberg". Life magazine, 22(8), 24 February 1947, p. 81: "Photograph made during the war at Dachau shows Dr. Sigmund Rascher (center) floating prisoner in ice water to test an exposure suit".
It was also published in Hanauske-Abel, Hartmut M. (7 December 1996). "Not a Slippery Slope or Sudden Subversion: German Medicine and National Socialism in 1933." BMJ: British Medical Journal, 313(7070), pp. 1453–1463: "Forced cold water immersion experiment claimed to be at Dachau concentration camp presided over by Professor Holzlohner (left) and Dr [Sigmund] Rascher (right). The subject (a prisoner who was forced to participate) is wearing a Luftwaffe garment. Note the floating blocks of ice."
Article

Nazi human experimentation

Portion used

All

Low resolution?

Yes

Purpose of use

To illustrate Nazi medical experiments

Replaceable?

Non-reproducible historic image with no free replacement, illustrating the subject of prisoner abuse with cold water immersion in the Holocaust article. The German government commissioned the picture and owned the copyright. All Nazi era copyrights were seized by the Allies and are public domain in the US. according to the US National ARCHIVES. see US government statement on captured German records

Even if the Luftwaffe owns the copyright its use on Wikipedia is no doubt "fair use" for its historical purposes in illustrating war crimes.
Fair useFair use of copyrighted material in the context of Nazi human experimentation//en.wikipedia.org/wiki/File:Dachau_cold_water_immersion.jpgtrue