Henriette Hertz was a German-born philanthropist and art collector. She donated the Palazzo Zuccari to house the Bibliotheca Hertziana in 1912.
The Palazzo Zuccari in Rome was an "open house"
Bibliotheca Hertziana – Max Planck Institute for Art History
The Bibliotheca Hertziana – Max Planck Institute for Art History is a German research institute located in Rome, Italy. It was founded by a donation of Henriette Hertz in 1912 as a Kaiser Wilhelm Institute. Of the 84 institutes in the Max Planck Society, it is one of the few not located in Germany. The institute is situated in the historical centre of Rome near Trinità dei Monti in a cluster of four buildings along the Via Gregoriana: the 16th-century Palazzo Zuccari, the adjacent Palazzo Stroganoff, the Villino Stroganoff across the road and the new library building designed by the Spanish architect Juan Navarro Baldeweg.
Bibliotheca Hertziana – Max Planck Institute for Art History