Nanni di Baccio Bigio, a pseudonym of Giovanni Lippi (Florence

Florence

Florence is the capital city of the Italian region of Tuscany and of the province of Florence. It is the most populous city in Tuscany, with approximately 370,000 inhabitants, expanding to over 1.5 million in the metropolitan area....

 - 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...

, 1568), was an Italian

Italian people

The Italian people are an ethnic group that share a common Italian culture, ancestry and speak the Italian language as a mother tongue. Within Italy, Italians are defined by citizenship, regardless of ancestry or country of residence , and are distinguished from people...

 architect

Architect

An architect is a person trained in the planning, design and oversight of the construction of buildings. To practice architecture means to offer or render services in connection with the design and construction of a building, or group of buildings and the space within the site surrounding the...

 of the 16th century.

Nanni was described as a "versatile" architect, who had originally set out to be a sculptor

Sculpture

Sculpture is three-dimensional artwork created by shaping or combining hard materials—typically stone such as marble—or metal, glass, or wood. Softer materials can also be used, such as clay, textiles, plastics, polymers and softer metals...

 working under Raffaello da Montelupo

Raffaello da Montelupo

Raffaello da Montelupo , born Raffaele Sinibaldi, was a sculptor and architect of the Italian Renaissance, and an apprentice of Michelangelo. He was the son of another Italian sculptor, Baccio da Montelupo...

. After arriving in Rome, he made a good copy of Michelangelo's Pietà

Pietà (Michelangelo)

The Pietà is a masterpiece of Renaissance sculpture by Michelangelo Buonarroti, housed in St. Peter's Basilica in Vatican City. It is the first of a number of works of the same theme by the artist. The statue was commissioned for the French cardinal Jean de Billheres, who was a representative in...

. Michelangelo disliked him while Nanni worked to supplant Michelangelo. Nanni also took over the reconstruction of the Bridge of Santa Maria from Michelangelo in 1551, but his work proved to be inadequate and the bridge was destroyed in the 1557 flood.

He worked primarily in Rome where he designed the Palazzo Salviati alla Lungara in the style of Giuliano da Sangallo

Giuliano da Sangallo

Giuliano da Sangallo was an Italian sculptor, architect and military engineer active during the Italian Renaissance.He was born in Florence. His father Francesco Giamberti was a woodworker and architect, much employed by Cosimo de Medici, and his brother Antonio da Sangallo the Elder and nephew...

, he directed the reconstruction of the Castel Sant'Angelo

Castel Sant'Angelo

The Mausoleum of Hadrian, usually known as the Castel Sant'Angelo, is a towering cylindrical building in Parco Adriano, Rome, Italy. It was initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family...

, and built the Porta del Popolo

Piazza del Popolo

Piazza del Popolo is a large urban square in Rome. The name in modern Italian literally means "People's Square", but historically it derives from the poplars after which the church of Santa Maria del Popolo, in the northeast corner of the piazza, takes its name.The piazza lies inside the northern...

.

In addition, he completed the Palazzo Sacchetti in via Giulia

Via Giulia

Via Giulia is a street in the historic centre of Rome, Italy, mostly in rione Regola, although its northern part belongs to rione Ponte. It was one of the first important urban planning projects in Renaissance Rome....

 and contributed to the fortifications of Fano

Fano

Fano is a town and comune of the province of Pesaro and Urbino in the Marche region of Italy. It is a beach resort 12 km southeast of Pesaro, located where the Via Flaminia reaches the Adriatic Sea...

 and Civitavecchia

Civitavecchia

Civitavecchia is a town and comune of the province of Rome in the central Italian region of Lazio. A sea port on the Tyrrhenian Sea, it is located 80 kilometers west-north-west of Rome, across the Mignone river. The harbor is formed by two piers and a breakwater, on which is a lighthouse...

. In Monte San Savino

Monte San Savino

Monte San Savino is a town and comune in the province of Arezzo, Tuscany . It is located on the Essa stream in the Valdichiana. Several of its frazioni occupy higher hills, like Gargonza with its castle and Palazzuolo ....

, he contributed to the construction of the Palazzo di Monte and the Loggie dei Mercanti following designs of Andrea Sansovino

Andrea Sansovino

Andrea dal Monte Sansovino or Andrea Contucci del Monte San Savino was an Italian sculptor active during the High Renaissance...

 and also built the Porta Fiorentina following designs of Giorgio Vasari

Giorgio Vasari

Giorgio Vasari was an Italian painter, writer, historian, and architect, who is famous today for his biographies of Italian artists, considered the ideological foundation of art-historical writing.-Biography:...

, and decorated with frescos representing the so-called Madonna delle Vertighe tra Santi (Madonna of the Peaks among Saints). He also built the Palazzo Lante for the Medici.