Giovan Antonio de' Rossi (1616-1695) was an Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 architect of the Baroque

Baroque

The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 period, active mainly in Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

.

He was a contemporary of Carlo Rainaldi

Carlo Rainaldi

Carlo Rainaldi was an Italian architect of the Baroque period.Born in Rome, Rainaldi was one of the leading architects of 17th century Rome, known for a certain grandeur in his designs. He worked at first with his father, Girolamo Rainaldi, a late Mannerist architect in Rome. After his father's...

. he helped design the Cappella Lancellotti in San Giovanni in Laterano. He designed the church of Santa Maria in Campo Marzio in 1682-1685. He built the oval chapel of the Palazzo Monte di Pietà. His labors in the extensive and hurried refurbishment (1670-76) of the Palazzo Altieri

Palazzo Altieri

thumb|300 px|The Palazzo AltieriPalazzo Altieri is a palace in Rome, which was the home of the Altieri family in the city. The palace faces the square in front of the Church of the Gesù.-The Altieri:...

 near the Church of the Gesú

Church of the Gesu

The Church of the Gesù is the mother church of the Society of Jesus, a Roman Catholic religious order also known as the Jesuits. Officially named , its facade is "the first truly baroque façade", introducing the baroque style into architecture ,. The church served as model for innumerable Jesuit...

, started with he ascent of Pope Clement X

Pope Clement X

Pope Clement X , born Emilio Bonaventura Altieri, was Pope from 29 April 1670 to 22 July 1676.-Early life:Emilio Altieri was born in Rome, the son of Lorenzo Altieri and Victoria Delphini, a Venetian lady...

. He designed the Palazzo D'Aste-Bonaparte, near the Palazzo Venezia

Palazzo Venezia

The Palazzo di Venezia is a palazzo in central Rome, Italy, just north of the Capitoline Hill. The original structure of this great architectural complex consisted of a modest medieval house intended as the residence of the cardinals appointed to the Church of San Marco...

. The design of this small palace influenced the later designs of Alessandro Specchi

Alessandro Specchi

Alessandro Specchi was an Italian architect and engraver.Born in Rome, he trained as an architect under Carlo Fontana. He also specialized as an engraver and made a well known series of plates for prints of vedute or views of Rome As an architect, he was influenced by Francesco Borromini...

 and Tommaso de Marchi of the Palazzo de Carolis and Palazzo Millini-Cagiati respectively.

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