Christoph Luitpold Frommel was visiting professor at the Institute for Advanced Study in Princeton and at the University of California, Berkeley. From 1989 to 2001 he was director of the Hertziana Library in Rome. He is Grand Officer of the Italian Republic, Borghese Prize, Academician of the Lincei, member of the British Academy and the Academy of San Luca; member of the sector committee of the Superior Council of Cultural Heritage for Institutes and Libraries.