Shortly after this , he joined the NSDAP ( Party Membership Nr. 42 ) , founding its first branch outside Bavaria , at Dortmund .
Ohnesorge first met Hitler sometime in 1920 , and they became good friends .
Shortly after this , Ohnesorge joined the NSDAP ( Party Membership Nr. 42 ) , founding its first branch outside Bavaria , at Dortmund .
Ohnesorge first met Hitler sometime in 1920 , and they became good friends .