Muti, Riccardo, 1941-, Italian conductor. Principal conductor of the Maggio Musicale (1969-81) in Florence and of the Philharmonia Orchestra (1973-82) in London, he became (1977) principal guest conductor of the Philadelphia Orchestra and succeeded (1980) Eugene Ormandy as its musical director, a position he held until 1992. He served as music director of La Scala in Milan from 1986 until 2005. In 2008 the Chicago Symphony announced that he would become its music director in 2010.

Giacconi, Riccardo, 1931-, Italian-American astrophysicist, b. Milan, Italy, Ph.D. Univ. of Milan 1954. He was a researcher at American Science and Engineering Corporation (1959-73), professor at Harvard (1973-81), director of the Space Telescope Science Institute, Johns Hopkins (1981-92), director general of the European Southern Observatory in Germany (1992-99), and president of Associated Universities, Inc. (1999-2004). In 2004, he was appointed professor at Johns Hopkins. Giacconi was co-recipient, with Masatoshi Koshiba and Raymond Davis, of the 2002 Nobel Prize in Physics for pioneering contributions to astrophysics. Giacconi discovered X-ray sources outside the solar system, including background X-radiation and black holes; his discoveres and work on instruments that identified those discoveries laid the foundations for the field of X-ray astronomy.

Riccardo is a male given name, Italian version of Richard.

It may be refer to:

People

• Riccardo Azzoli (1984), racecar driver
• Riccardo Bacchelli (1891-1985), writer
• Riccardo Bonetto (1979), footballer
• Riccardo Broschi (1698-1795), composer, brother of famous castrato singer Carlo Broschi
• Riccardo Carapellese (1922-1995), footballer
• Riccardo Chailly, Italian conductor
• Riccardo Cocciante (1946), Italo-French singer, songwriter and composer
• Riccardo Corallo, footballer
• Riccardo Ferri (1963), footballer
• Riccardo Fissore (1980), footballer
• Riccardo Francovich (1946-2007), archaeologist
• Riccardo Freda (1909-1999), film director
• Riccardo Garrone (1923), actor
• Riccardo Giacconi (1931), Italian-born American Nobel Prize-winning astrophysicist
• Riccardo Mantoni (1918-1991), radio author and director, brother of Corrado
• Riccardo Meili (1982), footballer
• Riccardo Montolivo (1985), footballer
• Riccardo Muti (1941), conductor
• Riccardo Paletti (1958-1982), Formula One driver
• Riccardo Pampuri (1897-1930)
• Riccardo Patrese (1954), Formula One driver
• Riccardo Pazzaglia (1926-2006), actor, film director, screenwriter and songwriter
• Riccardo Riccò (1983), road bicycle racer
• Riccardo Rognoni (c. 1550-1620), composer and violinist
• Riccardo Scamarcio (1979), actor
• Riccardo Staglianò (1968), chief editor
• Riccardo Tesi (1946), musician
• Riccardo Tisci, fashion designer
• Riccardo Ventre (1944), politician
• Riccardo Zanella (1896-1947), politician
• Riccardo Zampagna (1974), footballer