1592 - 1635
Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and astronomy who became famous in the second part of the 20th century after Franz Hammer, a biographer (along with Max Caspar) of Johannes Kepler, claimed that the drawings of a calculating clock, predating the public release of Pascal's calculator by twenty years, had been discovered in two unknown letters written by Schickard to Johannes Kepler in 1623 and 1624. Hammer asserted that because these letters had been lost for three hundred years, Blaise Pascal had been called and celebrated as the inventor of the mechanical calculator in error during all this time. After careful examination it was found that Schickard's drawings had been published at least once per century starting from 1718, that his machine was not complete and required additional wheels and springs and that it was designed around a single tooth carry mechanism that didn't work properly when used in calculating clocks. Schickard's machine was the first of several designs of direct entry calculating machines in the 17th century (including the designs of Blaise Pascal, Tito Burattini, Samuel Morland and René Grillet). Read more on Wikipedia
Since 2007, the English Wikipedia page of Wilhelm Schickard has received more than 201,926 page views. His biography is available in 30 different languages on Wikipedia (down from 31 in 2019). Wilhelm Schickard is the 35th most popular astronomer (down from 27th in 2019), the 498th most popular biography from Germany (down from 395th in 2019) and the 7th most popular German Astronomer.
Wilhelm Schickard was a German mathematician and inventor. He is most famous for inventing the first mechanical calculator, which he called the Arithmometer.
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Among astronomers, Wilhelm Schickard ranks 35 out of 531. Before him are Avempace, William Alfred Fowler, Johann Gottfried Galle, Fred Hoyle, Johann Bayer, and Caroline Herschel. After him are Michel Mayor, Adolphe Quetelet, Jan Oort, Paolo dal Pozzo Toscanelli, Charles Greeley Abbot, and Giovanni Schiaparelli.
1080 - 1138
HPI: 66.58
Rank: 29
1911 - 1995
HPI: 66.28
Rank: 30
1812 - 1910
HPI: 66.27
Rank: 31
1915 - 2001
HPI: 66.22
Rank: 32
1572 - 1625
HPI: 66.15
Rank: 33
1750 - 1848
HPI: 65.97
Rank: 34
1592 - 1635
HPI: 65.91
Rank: 35
1942 - Present
HPI: 65.73
Rank: 36
1796 - 1874
HPI: 65.36
Rank: 37
1900 - 1992
HPI: 65.26
Rank: 38
1397 - 1482
HPI: 65.16
Rank: 39
1872 - 1973
HPI: 65.13
Rank: 40
1835 - 1910
HPI: 65.13
Rank: 41
Among people born in 1592, Wilhelm Schickard ranks 5. Before him are John Amos Comenius, Shah Jahan, Hong Taiji, and Pierre Gassendi. After him are Gerard van Honthorst, George Villiers, 1st Duke of Buckingham, Jacques Callot, Gustav Horn, Count of Pori, Catalina de Erauso, Peter Snayers, and Sophia Hedwig of Brunswick-Lüneburg. Among people deceased in 1635, Wilhelm Schickard ranks 2. Before him is Lope de Vega. After him are Samuel de Champlain, Jacques Callot, Zacharias Janssen, Reza Abbasi, Joos de Momper, Domenico Tintoretto, Elisabeth of Lorraine, Friedrich Spee, Fakhr al-Din II, and Alessandro Tassoni.
1592 - 1670
HPI: 79.89
Rank: 1
1592 - 1666
HPI: 72.34
Rank: 2
1592 - 1643
HPI: 71.59
Rank: 3
1592 - 1655
HPI: 69.55
Rank: 4
1592 - 1635
HPI: 65.91
Rank: 5
1592 - 1656
HPI: 65.08
Rank: 6
1592 - 1628
HPI: 64.39
Rank: 7
1592 - 1635
HPI: 63.35
Rank: 8
1592 - 1657
HPI: 57.97
Rank: 9
1592 - 1650
HPI: 57.33
Rank: 10
1592 - 1667
HPI: 54.84
Rank: 11
1592 - 1642
HPI: 49.94
Rank: 12
1562 - 1635
HPI: 73.14
Rank: 1
1592 - 1635
HPI: 65.91
Rank: 2
1567 - 1635
HPI: 64.39
Rank: 3
1592 - 1635
HPI: 63.35
Rank: 4
1585 - 1635
HPI: 60.45
Rank: 5
1565 - 1635
HPI: 55.33
Rank: 6
1564 - 1635
HPI: 55.24
Rank: 7
1560 - 1635
HPI: 54.23
Rank: 8
1574 - 1635
HPI: 54.00
Rank: 9
1591 - 1635
HPI: 53.87
Rank: 10
1572 - 1635
HPI: 53.65
Rank: 11
1565 - 1635
HPI: 49.19
Rank: 12
Among people born in Germany, Wilhelm Schickard ranks 498 out of 6,142. Before him are Louis the Child (893), Caroline Herschel (1750), Fanny Mendelssohn (1805), Princess Sibylla of Saxe-Coburg and Gotha (1908), Hans Georg Dehmelt (1922), and Pyotr Stolypin (1862). After him are Werner von Fritsch (1880), Julia Drusilla (16), Patrick Süskind (1949), Otto Fritz Meyerhof (1884), August Weismann (1834), and Friedrich List (1789).
893 - 911
HPI: 65.97
Rank: 492
1750 - 1848
HPI: 65.97
Rank: 493
1805 - 1847
HPI: 65.93
Rank: 494
1908 - 1972
HPI: 65.93
Rank: 495
1922 - 2017
HPI: 65.93
Rank: 496
1862 - 1911
HPI: 65.92
Rank: 497
1592 - 1635
HPI: 65.91
Rank: 498
1880 - 1939
HPI: 65.90
Rank: 499
16 - 38
HPI: 65.90
Rank: 500
1949 - Present
HPI: 65.90
Rank: 501
1884 - 1951
HPI: 65.87
Rank: 502
1834 - 1914
HPI: 65.87
Rank: 503
1789 - 1846
HPI: 65.87
Rank: 504
Among astronomers born in Germany, Wilhelm Schickard ranks 7. Before him are Johannes Kepler (1571), William Herschel (1738), Heinrich Wilhelm Matthias Olbers (1758), Johann Gottfried Galle (1812), Johann Bayer (1572), and Caroline Herschel (1750). After him are Simon Marius (1573), Friedrich Georg Wilhelm von Struve (1793), Heinrich Louis d'Arrest (1822), Max Wolf (1863), Karl Ludwig Harding (1765), and Walter Baade (1893).
1571 - 1630
HPI: 87.17
Rank: 1
1738 - 1822
HPI: 75.68
Rank: 2
1758 - 1840
HPI: 66.95
Rank: 3
1812 - 1910
HPI: 66.27
Rank: 4
1572 - 1625
HPI: 66.15
Rank: 5
1750 - 1848
HPI: 65.97
Rank: 6
1592 - 1635
HPI: 65.91
Rank: 7
1573 - 1625
HPI: 64.93
Rank: 8
1793 - 1864
HPI: 62.32
Rank: 9
1822 - 1875
HPI: 61.81
Rank: 10
1863 - 1932
HPI: 61.18
Rank: 11
1765 - 1834
HPI: 60.50
Rank: 12
1893 - 1960
HPI: 60.35
Rank: 13