Original: Eyewitnesses included British POWs who were part of the forced labor that constructed the camp, and Dr. StanisÅ aw Byczkowski, head of the Department of Toxicology at the GdaÅ sk School of Medicine.
Simplified: Eyewitnesses included British POWs who were part of the forced labor that built the camp, and Dr. StanisÅ aw Byczkowski, head of the Department of Toxicology at the GdaÅ sk School of Medicine.