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 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.
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Among astronomers, Riccardo Giacconi ranks 66 out of 531. Before 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.
1677 - 1756
HPI: 62.28
Rank: 60
1928 - 2016
HPI: 62.19
Rank: 61
1855 - 1916
HPI: 62.08
Rank: 62
1873 - 1967
HPI: 61.99
Rank: 63
80 BC - 100 BC
HPI: 61.98
Rank: 64
1905 - 1973
HPI: 61.97
Rank: 65
1931 - 2018
HPI: 61.87
Rank: 66
1822 - 1875
HPI: 61.81
Rank: 67
1845 - 1912
HPI: 61.49
Rank: 68
1828 - 1897
HPI: 61.46
Rank: 69
1799 - 1880
HPI: 61.29
Rank: 70
1908 - 1996
HPI: 61.27
Rank: 71
815 - 896
HPI: 61.24
Rank: 72
Among people born in 1931, Riccardo Giacconi ranks 58. Before 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 42. Before 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.
1931 - 1990
HPI: 62.24
Rank: 52
1931 - Present
HPI: 62.22
Rank: 53
1931 - Present
HPI: 62.07
Rank: 54
1931 - Present
HPI: 61.94
Rank: 55
1931 - 2013
HPI: 61.90
Rank: 56
1931 - 2016
HPI: 61.87
Rank: 57
1931 - 2018
HPI: 61.87
Rank: 58
1931 - 2008
HPI: 61.72
Rank: 59
1931 - 2018
HPI: 61.65
Rank: 60
1931 - 2022
HPI: 61.59
Rank: 61
1931 - 2016
HPI: 61.57
Rank: 62
1931 - Present
HPI: 61.42
Rank: 63
1931 - 2021
HPI: 61.30
Rank: 64
1925 - 2018
HPI: 62.54
Rank: 36
1916 - 2018
HPI: 62.52
Rank: 37
1932 - 2018
HPI: 62.43
Rank: 38
1929 - 2018
HPI: 62.43
Rank: 39
1925 - 2018
HPI: 62.28
Rank: 40
1944 - 2018
HPI: 62.01
Rank: 41
1931 - 2018
HPI: 61.87
Rank: 42
1931 - 2018
HPI: 61.65
Rank: 43
1918 - 2018
HPI: 61.60
Rank: 44
1940 - 2018
HPI: 61.48
Rank: 45
1925 - 2018
HPI: 61.42
Rank: 46
1936 - 2018
HPI: 61.28
Rank: 47
1945 - 2018
HPI: 61.26
Rank: 48
Among people born in Italy, Riccardo Giacconi ranks 1,039 out of 4,668. Before 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).
1850 - 1928
HPI: 61.92
Rank: 1,033
1634 - 1675
HPI: 61.92
Rank: 1,034
1596 - 1684
HPI: 61.90
Rank: 1,035
1871 - 1957
HPI: 61.89
Rank: 1,036
1624 - 1683
HPI: 61.89
Rank: 1,037
1931 - 2016
HPI: 61.87
Rank: 1,038
1931 - 2018
HPI: 61.87
Rank: 1,039
1858 - 1922
HPI: 61.86
Rank: 1,040
1668 - 1745
HPI: 61.83
Rank: 1,041
1000 - 985
HPI: 61.83
Rank: 1,042
1942 - Present
HPI: 61.82
Rank: 1,043
1290 - 1400
HPI: 61.82
Rank: 1,044
1240 - 1330
HPI: 61.82
Rank: 1,045
Among astronomers born in Italy, Riccardo Giacconi ranks 8. Before 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).
1548 - 1600
HPI: 85.43
Rank: 2
1625 - 1712
HPI: 70.97
Rank: 3
1746 - 1826
HPI: 67.50
Rank: 4
1397 - 1482
HPI: 65.16
Rank: 5
1835 - 1910
HPI: 65.13
Rank: 6
1476 - 1553
HPI: 62.42
Rank: 7
1931 - 2018
HPI: 61.87
Rank: 8
1598 - 1671
HPI: 60.24
Rank: 9
1818 - 1878
HPI: 60.06
Rank: 10
1819 - 1892
HPI: 57.38
Rank: 11
1658 - 1730
HPI: 56.69
Rank: 12
1922 - 2013
HPI: 54.55
Rank: 13
1709 - 1788
HPI: 53.86
Rank: 14