<prompt> Qedela umusho olandelayo: Wamiswa njengomfundisi wezibalo ngo-1929, futhi waba umfundisi ophakeme ngemva kweminyaka eyisithupha. Ngo-April 1940, ngesikhathi evakashele abasemzini wakhe eCopenhagen, uKerrich wabanjwa  <response>: Ukuhlasela kwamaNazi nokuvalelwa eHald Ege, eViborg, eMidtjylland. Ngesikhathi elapho wenza ucwaningo olulula esebenzisa izinhlamvu zemali namabhola e-ping-pong ukuze abonise ukuba yiqiniso kwezimiso eziningi eziyisisekelo zamathuba. 