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Riccardo Giacconi

1931 - 2018

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Riccardo Giacconi ( jə-KOH-nee, Italian: [rikˈkardo dʒakˈkoːni]; October 6, 1931 – December 9, 2018) was an Italian-American Nobel Prize-winning astrophysicist who laid down the foundations of X-ray astronomy. Read more on Wikipedia

Since 2007, the English Wikipedia page of Riccardo Giacconi has received more than 210,556 page views. His biography is available in 70 different languages on Wikipedia (up from 68 in 2019). Riccardo Giacconi is the 66th most popular astronomer (down from 55th in 2019), the 1,039th most popular biography from Italy (down from 902nd in 2019) and the 8th most popular Italian Astronomer.

Riccardo Giacconi is most famous for discovering the cosmic microwave background radiation, which is the oldest form of light in the universe.

Memorability Metrics

  • 210k

    Page Views (PV)

  • 61.87

    Historical Popularity Index (HPI)

  • 70

    Languages Editions (L)

  • 7.18

    Effective Languages (L*)

  • 4.50

    Coefficient of Variation (CV)

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Among astronomers, Riccardo Giacconi ranks 66 out of 531Before him are Jacques Cassini, Vera Rubin, Percival Lowell, Ejnar Hertzsprung, Sosigenes of Alexandria, and Gerard Kuiper. After him are Heinrich Louis d'Arrest, George Darwin, Albert Marth, William Lassell, Victor Ambartsumian, and Abu Hanifa Dinawari.

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Among people born in 1931, Riccardo Giacconi ranks 58Before him are Jacques Demy, Fernando Henrique Cardoso, Sofia Gubaidulina, Stanislav Grof, Ronald Dworkin, and Ettore Scola. After him are Ivan Rebroff, Burton Richter, Arata Isozaki, Viktor Korchnoi, Alfred Brendel, and Jean-Claude Carrière. Among people deceased in 2018, Riccardo Giacconi ranks 42Before him are Roy J. Glauber, Bernard Lewis, V. S. Naipaul, Gudrun Burwitz, Barbara Bush, and R. Lee Ermey. After him are Burton Richter, Jens Christian Skou, Milena Dravić, Claude Lanzmann, Günter Blobel, and Joël Robuchon.

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In Italy

Among people born in Italy, Riccardo Giacconi ranks 1,039 out of 4,668Before him are Luigi Cadorna (1850), Charles Emmanuel II, Duke of Savoy (1634), Nicola Amati (1596), Maurice Garin (1871), Guarino Guarini (1624), and Ettore Scola (1931). After him are Alessandro Moreschi (1858), Johann Lukas von Hildebrandt (1668), Antipope Boniface VII (1000), Daniela Bianchi (1942), Rustichello da Pisa (1290), and Pietro Cavallini (1240).


Among astronomers born in Italy, Riccardo Giacconi ranks 8Before him are Giordano Bruno (1548), Giovanni Domenico Cassini (1625), Giuseppe Piazzi (1746), Paolo dal Pozzo Toscanelli (1397), Giovanni Schiaparelli (1835), and Girolamo Fracastoro (1476). After him are Giovanni Battista Riccioli (1598), Angelo Secchi (1818), Annibale de Gasparis (1819), Luigi Ferdinando Marsili (1658), Margherita Hack (1922), and Giovanni Domenico Maraldi (1709).