My first invitation to go to Germany occurred in May 1931. Behnke was teaching in Münster-in-Westfalen, and he had a lot of students, about 40.
Minu esimene kutse minna Saksamaal toimunud mai 1931. Behnke õpetas Münsteris-in-Westfalen, ja tal oli palju õpilasi, umbes 40.