Giovanni Battista Ruggieri (died 1640) 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...

 painter 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. In 1606 became a pupil of Domenichino. He was also called del Gessi, because later became s pupil of Francesco Gessi

Francesco Gessi

Francesco Gessi was an Italian painter of the Baroque period, active mainly in Bologna.Born to a noble family, but his father noticed his attraction to the arts and placed him in the apprenticeship with Denys Calvaert. This did not last, since he apparently disturbed the other pupils. He was more...

. Ruggieri accompanied Gessi to Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

 in time of Urban VIII. He was patronized by the Giustiniani

Giustiniani

Giustiniani is the name of a prominent Italian family which originally belonged to Venice, but also established itself subsequently in Genoa, and at various times had representatives in Naples, Corsica and in the islands of the Archipelago, where they had been the last Genoese rulers of the Aegean...

family and died in Rome in 1640. His brother Ercole was also educated by Gessi.