INVENTOR
Zacharias Janssen
1585 - 1635

Zacharias Janssen
Zacharias Janssen; also Zacharias Jansen or Sacharias Jansen; 1585 – pre-1632) was a Dutch spectacle-maker who lived most of his life in Middelburg. He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son. Read more on Wikipedia
His biography is available in different languages on Wikipedia. Zacharias Janssen is the 162nd most popular inventor (down from 114th in 2019), the 295th most popular biography from Netherlands (down from 177th in 2019) and the 2nd most popular Dutch Inventor.
Zacharias Janssen is most famous for his invention of the first telescope.
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Among INVENTORS
Among inventors, Zacharias Janssen ranks 162 out of 426. Before him are Mikhail Dolivo-Dobrovolsky, Joseph Monier, Paul Baran, Christopher Latham Sholes, Edwin Howard Armstrong, and Elizabeth Holmes. After him are Oliver Lodge, Georg Luger, Alfred Vail, Guillaume Amontons, Robert Watson-Watt, and Robert Metcalfe.
Most Popular Inventors in Wikipedia
Go to all RankingsMikhail Dolivo-Dobrovolsky
1862 - 1919
HPI: 64.19
Rank: 156
Joseph Monier
1823 - 1906
HPI: 64.05
Rank: 157
Paul Baran
1926 - 2011
HPI: 64.01
Rank: 158
Christopher Latham Sholes
1819 - 1890
HPI: 63.95
Rank: 159
Edwin Howard Armstrong
1890 - 1954
HPI: 63.94
Rank: 160
Elizabeth Holmes
1984 - Present
HPI: 63.91
Rank: 161
Zacharias Janssen
1585 - 1635
HPI: 63.89
Rank: 162
Oliver Lodge
1851 - 1940
HPI: 63.80
Rank: 163
Georg Luger
1849 - 1923
HPI: 63.73
Rank: 164
Alfred Vail
1807 - 1859
HPI: 63.64
Rank: 165
Guillaume Amontons
1663 - 1705
HPI: 63.60
Rank: 166
Robert Watson-Watt
1892 - 1973
HPI: 63.60
Rank: 167
Robert Metcalfe
1946 - Present
HPI: 63.58
Rank: 168
Contemporaries
Among people born in 1585, Zacharias Janssen ranks 10. Before him are Hendrick Avercamp, Uriel da Costa, John George I, Elector of Saxony, Anna of Tyrol, Jacob Le Maire, and Lucilio Vanini. After him are Jacques Lemercier, John Rolfe, Mary Ward, Massimo Stanzione, Hamnet Shakespeare, and Johann Baptist Cysat. Among people deceased in 1635, Zacharias Janssen ranks 6. Before him are Lope de Vega, Samuel de Champlain, Wilhelm Schickard, Jacques Callot, and Şehzade Bayezid. After him are John II, Count Palatine of Zweibrücken, Reza Abbasi, Elisabeth of Lorraine, Friedrich Spee, Joos de Momper, and Fakhr al-Din II.
Others Born in 1585
Go to all RankingsHendrick Avercamp
PAINTER
1585 - 1634
HPI: 70.45
Rank: 4
Uriel da Costa
PHILOSOPHER
1585 - 1640
HPI: 70.00
Rank: 5
John George I, Elector of Saxony
POLITICIAN
1585 - 1656
HPI: 68.66
Rank: 6
Anna of Tyrol
POLITICIAN
1585 - 1618
HPI: 68.46
Rank: 7
Jacob Le Maire
POLITICIAN
1585 - 1616
HPI: 68.39
Rank: 8
Lucilio Vanini
PHILOSOPHER
1585 - 1619
HPI: 67.26
Rank: 9
Zacharias Janssen
INVENTOR
1585 - 1635
HPI: 63.89
Rank: 10
Jacques Lemercier
ARCHITECT
1585 - 1654
HPI: 63.03
Rank: 11
John Rolfe
EXPLORER
1585 - 1622
HPI: 62.74
Rank: 12
Mary Ward
RELIGIOUS FIGURE
1585 - 1645
HPI: 62.08
Rank: 13
Massimo Stanzione
PAINTER
1585 - 1656
HPI: 60.33
Rank: 14
Hamnet Shakespeare
WRITER
1585 - 1596
HPI: 59.88
Rank: 15
Johann Baptist Cysat
MATHEMATICIAN
1585 - 1657
HPI: 59.70
Rank: 16
Others Deceased in 1635
Go to all RankingsLope de Vega
WRITER
1562 - 1635
HPI: 78.62
Rank: 1
Samuel de Champlain
EXPLORER
1567 - 1635
HPI: 72.51
Rank: 2
Wilhelm Schickard
ASTRONOMER
1592 - 1635
HPI: 72.18
Rank: 3
Jacques Callot
PAINTER
1592 - 1635
HPI: 69.79
Rank: 4
Şehzade Bayezid
POLITICIAN
1612 - 1635
HPI: 64.01
Rank: 5
Zacharias Janssen
INVENTOR
1585 - 1635
HPI: 63.89
Rank: 6
John II, Count Palatine of Zweibrücken
NOBLEMAN
1584 - 1635
HPI: 63.76
Rank: 7
Reza Abbasi
PAINTER
1565 - 1635
HPI: 63.76
Rank: 8
Elisabeth of Lorraine
POLITICIAN
1574 - 1635
HPI: 62.17
Rank: 9
Friedrich Spee
WRITER
1591 - 1635
HPI: 61.41
Rank: 10
Joos de Momper
PAINTER
1564 - 1635
HPI: 60.48
Rank: 11
Fakhr al-Din II
POLITICIAN
1572 - 1635
HPI: 60.22
Rank: 12
In Netherlands
Among people born in Netherlands, Zacharias Janssen ranks 295 out of 1,646. Before him are Floris I, Count of Holland (1025), Willem de Sitter (1872), Countess Louise Henriette of Nassau (1627), Ludger (742), Prince Friso of Orange-Nassau (1968), and Pieter van der Aa (1659). After him are Regnier de Graaf (1641), Philip de Koninck (1619), Jan Timman (1951), Aert de Gelder (1645), Floris IV, Count of Holland (1210), and Karel Doorman (1889).
Others born in Netherlands
Go to all RankingsFloris I, Count of Holland
POLITICIAN
1025 - 1061
HPI: 64.04
Rank: 289
Willem de Sitter
MATHEMATICIAN
1872 - 1934
HPI: 64.04
Rank: 290
Countess Louise Henriette of Nassau
POLITICIAN
1627 - 1667
HPI: 63.99
Rank: 291
Ludger
RELIGIOUS FIGURE
742 - 809
HPI: 63.98
Rank: 292
Prince Friso of Orange-Nassau
NOBLEMAN
1968 - 2013
HPI: 63.97
Rank: 293
Pieter van der Aa
POLITICIAN
1659 - 1733
HPI: 63.90
Rank: 294
Zacharias Janssen
INVENTOR
1585 - 1635
HPI: 63.89
Rank: 295
Regnier de Graaf
PHYSICIAN
1641 - 1673
HPI: 63.89
Rank: 296
Philip de Koninck
PAINTER
1619 - 1688
HPI: 63.85
Rank: 297
Jan Timman
CHESS PLAYER
1951 - Present
HPI: 63.83
Rank: 298
Aert de Gelder
PAINTER
1645 - 1727
HPI: 63.82
Rank: 299
Floris IV, Count of Holland
POLITICIAN
1210 - 1234
HPI: 63.72
Rank: 300
Karel Doorman
MILITARY PERSONNEL
1889 - 1942
HPI: 63.69
Rank: 301
Among INVENTORS In Netherlands
Among inventors born in Netherlands, Zacharias Janssen ranks 2. Before him are Cornelis Drebbel (1572). After him are Lou Ottens (1926), and Boyan Slat (1994).
Cornelis Drebbel
1572 - 1633
HPI: 65.00
Rank: 1
Zacharias Janssen
1585 - 1635
HPI: 63.89
Rank: 2
Lou Ottens
1926 - 2021
HPI: 61.45
Rank: 3
Boyan Slat
1994 - Present
HPI: 44.31
Rank: 4