The secret of "Shadows": un diagramma 'bruniano' disegnato da Frances Yates

This contribution presents Frances Yates's diagram illustrating the memory system of Giordano Bruno's "De umbris idearum" (published in this issue of "Bruniana & Campanelliana"). Yates had prepared this large diagram - published by the Warburg Institute Archive, Papers of Frances A. Yates, 25.B.I - on the occasion of a lecture she gave at the Warburg Institute on 28 May 1952.