In his book `` LOCATION@1 at War NUMBER@1 to NUMBER@2 '' , PERSON@1 reported that while visiting Gdansk/Danzig in NUMBER@2 shortly after its liberation by the ORGANIZATION@1 , he saw an experimental factory outside the city for making soap from human corpses .

In his book `` LOCATION@1 at War NUMBER@1 to NUMBER@2 '' , PERSON@1 said that while visiting Gdansk/Danzig in NUMBER@2 shortly after its liberation by the ORGANIZATION@1 , he saw an experimental factory outside the city for making soap from human bodies .
