The gallery officially closed in 1975, and Schwarz started working as curator and writer, writing extensive publications on the work of Marcel Duchamp, as well as books and numerous essays on the Kabbalah, Tantrism, alchemy, prehistoric and tribal art, and Asian art and philosophy. His 1977 book on Man Ray's works and life was the first to reveal Ray's real name (Emmanuel Radnitzky).
The gallery closed officially in 1975, and Schwarz took up curatorial and writing roles. He authored extensive publications on Marcel Duchamp's work, wrote books and essays about the Kabbalah, Tantrism, alchemy, prehistoric and tribal art, and Asian art and philosophy. His 1977 book on Man Ray's works and life was the first to reveal Ray's real name (Emmanuel Radnitzky).