<prompt> Bhala okuqhubekayo kwalesi sigaba - Wamiswa njengomfundisi wezibalo ngo-1929, futhi waba umfundisi omkhulu eminyakeni eyisithupha kamuva. Ngo-April 1940, ngesikhathi evakashele abasemzini wakhe eCopenhagen, uKerrich wabanjwa amaNazi  <response>: futhi wagcinwa eHald Ege, eViborg, eMidtjylland. Ngesikhathi elapho wenza ucwaningo olulula esebenzisa izinhlamvu zemali namabhola e-ping-pong ukuze abonise ukuba yiqiniso kwezimiso eziningi eziyisisekelo zamathuba. 