After release from internment, Eisenmayer joined his brother Paul (who had arrived on a kindertransport) in Oxford, working in a factory. Together they established a branch of Young Austria, the youth organisation for Austrians in exile in Britain, meeting Eric Doitch and Henry Inlander – whom he also studied alongside at weekend classes at Camberwell School of Art – and Oskar Kokoschka and the English abstract painter, Victor Pasmore, both of whom mentored him. While his early work draws on his experience of exile and includes industrial landscapes of postwar London, still lifes, portraits and self-portraits, his later imagery often explore issues of violence, oppression, and the abuse of power.