He was the author of Grundriss der Geschichte den klassichen Philologie.
I think Theresienstadt was a "model" concentration camp which the Nazis would take gullible foreigners to in order to show them that the concentration camp conditions weren't so bad.
A half day tour through Terezin, a strangely silent town, is quite sobering,....same with the Jewish sector tour in Prague.....they should be forced tours for Europeans and Americans.