After his release from Buchenwald , he was active in the Polish Underground .
Faber 's brother , Romek ( a nickname ) , was a Polish soldier and a prisoner of war in Buchenwald .
After Faber 's release Buchenwald Buchenwald , Faber was active in the Polish Underground .
Faber 's brother , Romek ( a nickname ) , was a Polish soldier and a prisoner of war in Buchenwald .