In different political circumstances one would have expected Rademacher to remain at Breslau for the rest of his career. However he was passionate in his concern for human rights and while in Breslau he joined the International League for Human Rights.
Sa iba't-ibang pampulitikang kalagayan ng isa ay inaasahang Rademacher upang manatili sa Breslau para sa natitirang bahagi ng kanyang karera. Gayunman siya ay maapoy sa kanyang pag-aalala para sa mga karapatang pantao at sa habang Breslau siya sumali sa International League para sa Human Rights.