Two years later he married Irma Wolpe, the sister of his colleague and close friend Iso Schoenberg . Irma was a concert pianist and the Rademacher's home was soon filled with musicians, mathematicians, and other friends.
Dalawang taon mamaya siya na may-asawa Irma Wolpe, ang mga kapatid na babae ng kanyang mga kasamahan at malapit na kaibigan ISO Schoenberg. Irma ay isang konsiyerto pyanista at ang Rademacher ng bahay sa lalong madaling panahon ay puno na may musicians, mathematicians, at iba pang mga kaibigan.