Question: Was both Porgy and Bess and Giulio Cesare composed by a person with the first name George?

Context articles: Renzo Canestrari
Giulio Cesare
Giulio Cesare Luini
Va tacito e nascosto
Porgy and Bess (film)
Giulio Cesare la Galla
Giulio Cesare Casseri
Bess, You Is My Woman Now
Porgy and Bess
The Gershwins' Porgy and Bess

Renzo Antonio Bartolomeo Canestrari (Piagge, Italy, August 19, 1924 – January 28, 2017) was an Italian psychiatrist.
 A student of Giulio Cesare Pupilli and Cesare Musatti, he was one of the foremost pioneers in the rebirth of Italian psychology after World War II, as well as the founder of the Bologna School of Gestalt Psychology and the guiding force behind it for 40 years.
Giulio Cesare in Egitto (] ; Italian for "Julius Caesar in Egypt", HWV 17), commonly known as Giulio Cesare, is a dramma per musica ("opera seria") in three acts composed for the Royal Academy of Music by George Frideric Handel in 1724.
 The libretto was written by Nicola Francesco Haym who used an earlier libretto by Giacomo Francesco Bussani, which had been set to music by Antonio Sartorio (1676).
 The opera was a success at its first performances, was frequently revived by Handel in his subsequent opera seasons and is now one of the most often performed Baroque operas.
Giulio Cesare Luini (Varallo Sesia, 1512- After 1565) was an Italian painter.
 Giulio was a colleague of Gaudenzio Ferrari in the decoration of the Sacro Monte di Varallo.
"Va tacito e nascosto" (Italian; translation, "Silently and stealthily") is an aria written for alto castrato voice in act 1 of George Frideric Handel's opera "Giulio Cesare in Egitto", composed in 1724 to a libretto by Nicola Francesco Haym.
 Sung by the character Julius Caesar, it features extensive solos for natural horn.
Porgy and Bess is a 1959 American musical film directed by Otto Preminger.
 It is based on the 1935 opera "Porgy and Bess" by George Gershwin, DuBose Heyward, and Ira Gershwin, which is in turn based on Heyward's 1925 novel "Porgy", as well as Heyward's subsequent 1927 non-musical stage adaptation, co-written with his wife Dorothy.
 The screenplay for the film, which turned the operatic recitatives into spoken dialogue, was very closely based on the opera and was written by N. Richard Nash.
Giulio Cesare la Galla (or Julius Cæsar Lagalla or Giulio Cesare Lagalla) (1576–1624) was a professor of philosophy at the Collegio Romano in Italy.
Giulio Cesare Casseri (1552, Piacenza, Italy – 8 March 1616, Padua, Italy), also written as Giulio Casser, Iulius Casserius, Giulio Casserio, Giulio Casserio of Piacenza, was an Italian anatomist.
"Bess, You Is My Woman Now" is a duet with music by George Gershwin and lyrics by Ira Gershwin.
 This song comes from the Gershwins' opera "Porgy and Bess" (1935) where it is sung by the main character Porgy and his beloved Bess.
 They express their love for each other and say that they now belong together.
Porgy and Bess is an English-language opera by the American composer George Gershwin, with a libretto written by author DuBose Heyward and lyricist Ira Gershwin.
 It was adapted from Heyward's play "Porgy", itself an adaptation of his 1925 novel of the same name.
Porgy and Bess (2006), first studio cast recording directly based on the original 1935 production of George Gershwin's opera Porgy and Bess.
 This studio recording originated as several semi-staged performances which took place on February 24 and 25, 2006 at the Tennessee Performing Arts Center in Nashville, with Alvy Powell as Porgy, Marquita Lister as Bess, Nicole Cabell as Clara and Robert Mack as Sportin' Life.
 The Nashville Symphony Orchestra was conducted by John Mauceri.
 The recording incorporates changes Gershwin made to his original score after its first publication, which were not discovered until 1987.