MATHEMATICIAN

Zhang Heng

78 - 139

Photo of Zhang Heng

Icon of person Zhang Heng

Zhang Heng (Chinese: 張衡; AD 78–139), formerly romanized Chang Heng, was a Chinese polymathic scientist and statesman who lived during the Eastern Han dynasty. Educated in the capital cities of Luoyang and Chang'an, he achieved success as an astronomer, mathematician, seismologist, hydraulic engineer, inventor, geographer, cartographer, ethnographer, artist, poet, philosopher, politician, and literary scholar. Zhang Heng began his career as a minor civil servant in Nanyang. Read more on Wikipedia

Since 2007, the English Wikipedia page of Zhang Heng has received more than 583,260 page views. His biography is available in 61 different languages on Wikipedia (up from 58 in 2019). Zhang Heng is the 74th most popular mathematician (down from 71st in 2019), the 98th most popular biography from China (down from 94th in 2019) and the most popular Chinese Mathematician.

Zhang Heng was a Chinese astronomer, mathematician, and geographer during the Han Dynasty. He is most famous for his work in astronomy and mathematics.

Memorability Metrics

  • 580k

    Page Views (PV)

  • 67.76

    Historical Popularity Index (HPI)

  • 61

    Languages Editions (L)

  • 7.97

    Effective Languages (L*)

  • 3.74

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Zhang Heng ranks 74 out of 1,004. Before him are Ludolph van Ceulen, Giuseppe Peano, Richard Dedekind, Alexander Grothendieck, Nikolai Lobachevsky, and Bonaventura Cavalieri. After him are Alfred North Whitehead, Johann Heinrich Lambert, Benoit Mandelbrot, Augustus De Morgan, Andrey Kolmogorov, and Jacob Bernoulli.

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Contemporaries

Among people born in 78, Zhang Heng ranks 1. After him are Kanishka, and Lindow Man. Among people deceased in 139, Zhang Heng ranks 1. 

Others Born in 78

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Others Deceased in 139

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In China

Among people born in China, Zhang Heng ranks 98 out of 1,610. Before him are Walter Houser Brattain (1902), An Lushan (702), Yang Guifei (719), Qin Er Shi (-229), Emperor Guangwu of Han (-5), and Dorgon (1612). After him are Ziying (-300), Jiajing Emperor (1507), Emperor Xian of Han (181), Emperor Yang of Sui (569), King Wu of Zhou (-1150), and 13th Dalai Lama (1876).

Others born in China

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Among MATHEMATICIANS In China

Among mathematicians born in China, Zhang Heng ranks 1. After him are Zu Chongzhi (429), Liu Hui (225), Wang Chong (27), Xu Guangqi (1562), Guo Shoujing (1231), Shing-Tung Yau (1949), Yi Xing (683), Liu Xin (-50), Shiing-Shen Chern (1911), Zhu Shijie (1249), and Qin Jiushao (1201).

Chinese born Mathematicians

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