The Academy succeeded in obtaining, from Pope Pius IX, a decree for the demolition of the houses on the left side of the Rotonda (Pantheon), and also protested against the digging of new holes in the walls.
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The Academy's foreign members and lecturers included Niebuhr, Akerblad, Thorwaldsen, as well as sovereigns, Frederick William IV of Prussia and Charles Albert of Sardinia.
Academy Awards | United States Military Academy | Russian Academy of Sciences | National Academy of Sciences | American Academy of Arts and Sciences | Academy Award for Best Foreign Language Film | United States Naval Academy | United States Air Force Academy | Royal Academy of Music | archaeology | Archaeology | Academy of Motion Picture Arts and Sciences | Brooklyn Academy of Music | Phillips Academy | Royal Military Academy Sandhurst | Phillips Exeter Academy | Chinese Academy of Sciences | British Academy of Film and Television Arts | National Academy of Engineering | Pennsylvania Academy of the Fine Arts | Academy of Fine Arts | British Academy | Academy Award for Best Picture | Bulgarian Academy of Sciences | Polish Academy of Sciences | Academy Award for Best Visual Effects | Pontifical Gregorian University | New York Academy of Sciences | Academy Award for Best Original Song | Jan Matejko Academy of Fine Arts |
He was a member of the American Academy of Arts and Sciences, the American Philosophical Society, the Pontificia Accademia Romana di Archeologia (since 1990 Hon. Mem.), The German Archaeological Institute, the Zentraldirektion of the Monumenta Germaniae Historica.