As the allies advanced across France, he linked up with American forces, using his perfect German to act as an interrogator, and then washed up, stateless, in the US, where he set up his language-teaching business. 随着盟军在法国所向披靡,他与美军取得联系,利用自己娴熟的德语审讯战俘。之后,他以无国籍人士的身份来到美国,发展起自己的语言教学业务。