Pietro di Gottardo Gonzaga was an Italian theatre set designer who worked in Italy and, since 1792, in the Russian Empire.
Stage design with Rotunda Temple, 1790s, Hermitage Museum
Subterranean Mausoleum, 1780s, Art Institute of Chicago
Decoration of the Nikolskaya tower of Moscow Kremlin for the coronation of Alexander I, 1801, Hermitage Museum
Giacomo Quarenghi was an Italian architect who was the foremost and most prolific practitioner of neoclassical architecture in Imperial Russia, particularly in Saint Petersburg. He brought into vogue
1811 portrait by Giuseppe Poli
Quarenghi's Hermitage Theatre in St Petersburg, original drawing in the National Museum in Warsaw.
Caricature of Giacomo Quarenghi wearing the Order of the Knights of Malta, by his friend Aleksander Orłowski.
Quarenghi's best known vedute meticulously represent mediaeval monuments of Moscow and its environs.