_ Source: _Volume 54, Issue 1, pp 46 - 107 The present paper discusses the question of Marsilio Ficino’s lost translations of Proclus’ _Elements of Physics_ and _Elements of Theology_. It reviews all known evidence for Ficino’s work on the _Elements of Physics_ and _Elements of Theology_, examines new references and fragments of these texts in Ficino’s manuscripts, especially in his personal manuscript of Plotinus’ _Enneads_, and studies how they fit within the Florentine’s philosophical oeuvre. The present case studies of (...) manuscript evidence demonstrate how Proclus accompanied Ficino from his early ‘scholastic background’ through to his mastery of the Platonic tradition late in his career, especially, as is shown, in his study of Pseudo-Dionysius and Plotinus. Despite the fact that scholarship at times pits scholasticism and Renaissance Platonism against each other, in this sense Proclus—largely due to the _Elements_—bridges the two cultures. (shrink)