1931 - 2018
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 182,706 page views. His biography is available in 68 different languages on Wikipedia (up from 63 in 2019). Riccardo Giacconi is the 55th most popular astronomer (down from 35th in 2019), the 902nd most popular biography from Italy (down from 620th in 2019) and the 7th 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.
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Among astronomers, Riccardo Giacconi ranks 55 out of 532. Before him are Jérôme Lalande, Ahmad ibn Muhammad ibn Kathir al-Farghani, Percival Lowell, William Lassell, Ferdinand Verbiest, and Max Wolf. After him are Fritz Zwicky, Heinrich Louis d'Arrest, Martin Ryle, Friedrich Georg Wilhelm von Struve, Antony Hewish, and Gerard Kuiper.
1732 - 1807
HPI: 71.93
Rank: 49
810 - 860
HPI: 71.89
Rank: 50
1855 - 1916
HPI: 71.87
Rank: 51
1799 - 1880
HPI: 71.84
Rank: 52
1623 - 1688
HPI: 71.71
Rank: 53
1863 - 1932
HPI: 71.66
Rank: 54
1931 - 2018
HPI: 71.62
Rank: 55
1898 - 1974
HPI: 71.59
Rank: 56
1822 - 1875
HPI: 71.59
Rank: 57
1918 - 1984
HPI: 71.50
Rank: 58
1793 - 1864
HPI: 71.41
Rank: 59
1924 - Present
HPI: 71.37
Rank: 60
1905 - 1973
HPI: 71.27
Rank: 61
Among people born in 1931, Riccardo Giacconi ranks 42. Before him are Annie Girardot, Aldo Rossi, Monica Vitti, Johannes Rau, James Earl Jones, and Khieu Samphan. After him are Don King, Fernando Henrique Cardoso, Michael Lonsdale, Ettore Scola, Faten Hamama, and James Cronin. Among people deceased in 2018, Riccardo Giacconi ranks 33. Before him are Arto Paasilinna, Francis Lai, Hubert de Givenchy, Arvid Carlsson, Barbara Bush, and Leon M. Lederman. After him are Roy J. Glauber, Stéphane Audran, Richard E. Taylor, Gudrun Burwitz, Bernard Lewis, and V. S. Naipaul.
1931 - 2011
HPI: 72.68
Rank: 36
1931 - 1997
HPI: 72.64
Rank: 37
1931 - Present
HPI: 72.42
Rank: 38
1931 - 2006
HPI: 72.18
Rank: 39
1931 - Present
HPI: 71.95
Rank: 40
1931 - Present
HPI: 71.93
Rank: 41
1931 - 2018
HPI: 71.62
Rank: 42
1931 - Present
HPI: 71.56
Rank: 43
1931 - Present
HPI: 71.44
Rank: 44
1931 - 2020
HPI: 71.29
Rank: 45
1931 - 2016
HPI: 71.13
Rank: 46
1931 - 2015
HPI: 71.13
Rank: 47
1931 - 2016
HPI: 71.02
Rank: 48
1942 - 2018
HPI: 72.39
Rank: 27
1932 - 2018
HPI: 72.21
Rank: 28
1927 - 2018
HPI: 71.84
Rank: 29
1923 - 2018
HPI: 71.83
Rank: 30
1925 - 2018
HPI: 71.62
Rank: 31
1922 - 2018
HPI: 71.62
Rank: 32
1931 - 2018
HPI: 71.62
Rank: 33
1925 - 2018
HPI: 71.61
Rank: 34
1932 - 2018
HPI: 71.51
Rank: 35
1929 - 2018
HPI: 71.41
Rank: 36
1929 - 2018
HPI: 71.22
Rank: 37
1916 - 2018
HPI: 71.05
Rank: 38
1932 - 2018
HPI: 71.03
Rank: 39
Among people born in Italy, Riccardo Giacconi ranks 902 out of 4,088. Before him are Vincenzo Scamozzi (1548), Isabella Rossellini (1952), Giambattista della Porta (1535), Frances of Rome (1384), Giuseppe Tornatore (1956), and Julia (-76). After him are Mario Monti (1943), Alfonso II of Naples (1448), Vincenzo Gonzaga, Duke of Mantua (1562), Nicola Amati (1596), Ludovico Einaudi (1955), and Constantius Gallus (325).
1548 - 1616
HPI: 71.67
Rank: 896
1952 - Present
HPI: 71.67
Rank: 897
1535 - 1615
HPI: 71.67
Rank: 898
1384 - 1440
HPI: 71.66
Rank: 899
1956 - Present
HPI: 71.64
Rank: 900
76 BC - 54 BC
HPI: 71.64
Rank: 901
1931 - 2018
HPI: 71.62
Rank: 902
1943 - Present
HPI: 71.58
Rank: 903
1448 - 1495
HPI: 71.56
Rank: 904
1562 - 1612
HPI: 71.53
Rank: 905
1596 - 1684
HPI: 71.53
Rank: 906
1955 - Present
HPI: 71.53
Rank: 907
325 - 354
HPI: 71.50
Rank: 908
Among astronomers born in Italy, Riccardo Giacconi ranks 7. Before him are Galileo Galilei (1564), Giordano Bruno (1548), Giovanni Domenico Cassini (1625), Giuseppe Piazzi (1746), Giovanni Schiaparelli (1835), and Paolo dal Pozzo Toscanelli (1397). After him are Girolamo Fracastoro (1476), Angelo Secchi (1818), Annibale de Gasparis (1819), Giovanni Battista Riccioli (1598), Luigi Ferdinando Marsili (1658), and Margherita Hack (1922).
1564 - 1642
HPI: 95.35
Rank: 1
1548 - 1600
HPI: 88.92
Rank: 2
1625 - 1712
HPI: 77.88
Rank: 3
1746 - 1826
HPI: 74.82
Rank: 4
1835 - 1910
HPI: 73.88
Rank: 5
1397 - 1482
HPI: 73.81
Rank: 6
1931 - 2018
HPI: 71.62
Rank: 7
1476 - 1553
HPI: 70.82
Rank: 8
1818 - 1878
HPI: 69.70
Rank: 9
1819 - 1892
HPI: 68.70
Rank: 10
1598 - 1671
HPI: 68.63
Rank: 11
1658 - 1730
HPI: 65.08
Rank: 12
1922 - 2013
HPI: 64.34
Rank: 13