ASTRONOMER

Gan De

400 BC - 400 BC

Gan De

Gan De (Chinese: 甘德; fl. 4th century BC), also known as the Lord Gan (Gan Gong), was an ancient Chinese astronomer and astrologer born in the State of Qi. Along with Shi Shen, he is believed to be the first in history known by name to compile a star catalogue, preceded by the anonymous authors of the early Babylonian star catalogues and followed by the Greek Hipparchus who is the first known in the Western tradition of Hellenistic astronomy to have compiled a star catalogue. Read more on Wikipedia

Since 2007, the English Wikipedia page of Gan De has received more than 100,092 page views. His biography is available in 19 different languages on Wikipedia. Gan De is the 175th most popular astronomer (down from 173rd in 2019), the 552nd most popular biography from China (down from 540th in 2019) and the most popular Chinese Astronomer.

Memorability Metrics

100k
Page Views (PV)
56.38
Historical Popularity Index (HPI)
19
Languages Editions (L)
7.39
Effective Languages (L*)
1.59
Coefficient of Variation (CV)

Page views of Gan Des by language

Over the past year Gan De has had the most page views in the English wikipedia edition with 14,085 views, followed by Chinese (5,851), and Japanese (2,150). In terms of yearly growth of page views the top 3 wikpedia editions are Catalan (139.05%), Tajik (60.17%), and Breton (42.56%)

Among ASTRONOMERS

Among astronomers, Gan De ranks 175 out of 644. Before him are Hubert Reeves, Michael H. Hart, J. Allen Hynek, Jean Philippe Loys de Cheseaux, Otto Wilhelm von Struve, and Tobias Mayer. After him are Peter van de Kamp, Oskar Backlund, Maria Cunitz, Margaret Burbidge, Jacobus Kapteyn, and Lyudmila Chernykh.

Most Popular Astronomers in Wikipedia

Go to all Rankings

Hubert Reeves
1932 - 2023
HPI: 56.78
Rank: 169
Michael H. Hart
1932 - Present
HPI: 56.66
Rank: 170
J. Allen Hynek
1910 - 1986
HPI: 56.61
Rank: 171
Jean Philippe Loys de Cheseaux
1718 - 1751
HPI: 56.59
Rank: 172
Otto Wilhelm von Struve
1819 - 1905
HPI: 56.50
Rank: 173
Tobias Mayer
1723 - 1762
HPI: 56.40
Rank: 174
Gan De
400 BC - 400 BC
HPI: 56.38
Rank: 175
Peter van de Kamp
1901 - 1995
HPI: 56.37
Rank: 176
Oskar Backlund
1846 - 1916
HPI: 56.35
Rank: 177
Maria Cunitz
1610 - 1664
HPI: 56.21
Rank: 178
Margaret Burbidge
1919 - 2020
HPI: 56.21
Rank: 179
Jacobus Kapteyn
1851 - 1922
HPI: 56.14
Rank: 180
Lyudmila Chernykh
1935 - 2017
HPI: 56.08
Rank: 181

Contemporaries

Among people born in 400 BC, Gan De ranks 48. Before him are Cynane, Silanion, Aeacides of Epirus, Aristyllus, King Xian of Zhou, and Erinna. After him are Polykleitos the Younger, Crantor, Gnaeus Flavius, Metrocles, Antimachus, and Lucius Cornelius Scipio Barbatus. Among people deceased in 400 BC, Gan De ranks 21. Before him are Nausiphanes, Artakama, Perictione, Cebes, Erinna, and Pythias. After him are Antalcidas, Metrodorus of Chios, Philip of Opus, Li Kui, Gaius Licinius Stolo, and Aeneas Tacticus.

Others Born in 400 BC

Go to all Rankings

Cynane
POLITICIAN
400 BC - 323 BC
HPI: 56.91
Rank: 42
Silanion
SCULPTOR
400 BC - 360 BC
HPI: 56.79
Rank: 43
Aeacides of Epirus
POLITICIAN
400 BC - 313 BC
HPI: 56.72
Rank: 44
Aristyllus
MATHEMATICIAN
400 BC - 300 BC
HPI: 56.60
Rank: 45
King Xian of Zhou
POLITICIAN
400 BC - 321 BC
HPI: 56.56
Rank: 46
Erinna
WRITER
400 BC - 400 BC
HPI: 56.55
Rank: 47
Gan De
ASTRONOMER
400 BC - 400 BC
HPI: 56.38
Rank: 48
Polykleitos the Younger
SCULPTOR
400 BC - 360 BC
HPI: 56.37
Rank: 49
Crantor
PHILOSOPHER
400 BC - 276 BC
HPI: 56.13
Rank: 50
Gnaeus Flavius
POLITICIAN
400 BC - 300 BC
HPI: 55.87
Rank: 51
Metrocles
PHILOSOPHER
400 BC - 300 BC
HPI: 55.65
Rank: 52
Antimachus
WRITER
400 BC - 348 BC
HPI: 55.60
Rank: 53
Lucius Cornelius Scipio Barbatus
POLITICIAN
400 BC - 300 BC
HPI: 55.58
Rank: 54