INVENTOR

Zacharias Janssen

1585 - 1635

Photo of Zacharias Janssen

Icon of person 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.

Memorability Metrics

Loading...

Page views of Zacharias Janssen by language

Loading...

Among INVENTORS

Among inventors, Zacharias Janssen ranks 162 out of 426Before 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 Rankings

Contemporaries

Among people born in 1585, Zacharias Janssen ranks 10Before 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 6Before 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 Rankings

Others Deceased in 1635

Go to all Rankings

In Netherlands

Among people born in Netherlands, Zacharias Janssen ranks 295 out of 1,646Before 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).

Among INVENTORS In Netherlands

Among inventors born in Netherlands, Zacharias Janssen ranks 2Before him are Cornelis Drebbel (1572). After him are Lou Ottens (1926), and Boyan Slat (1994).