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en.wikipedia.org/wiki/Zacharias_Janssen

Zacharias Janssen (1585 – pre-1632) was a Dutch spectacle-maker from Middelburg associated with the invention of the first optical ...

www.ib-article.com/2012/07/biography-zacharias-janssen-inventor-of.html

Zacharias Janssen was born in 1580 in the country Windmills, Holland, and died at the age of 58 years or more precisely in 1638. is a scientist from the ...

www.history-of-the-microscope.org/hans-and-zacharias-jansen-microscope-history.php

Microscope History: Two Dutch spectacle makers, Hans and Zacharias Jansen ( sometimes spelled Janssen) are credited with inventing the first microscope in ...

www.aps.org/publications/apsnews/200403/history.cfm

Janssen was the son of a spectacle maker named Hans Janssen, in Middleburg, Holland, and while Zacharias is credited with inventing the compound ...

micro.magnet.fsu.edu/optics/timeline/people/janssen.html

Zacharias Janssen is generally believed to be the first investigator to invent the compound microscope.

thebiography.us/en/jansen-zacharias

Biography of Zacharias Janssen (1588-ca.1628). Flamenco optical born in 1588 in the Hague, and died in 1631 or 1628 in Amsterdam, who is credited, along ...

socratic.org/questions/who-were-hans-zacharias-janssen

Mar 13, 2016 ... Zacharias Janssen himself, and his father Hans, were 2 Dutch spectacle makers, who in 1590, invented the compound microscope, and they ...

www.britannica.com/biography/Zacharias-Jansen

One of the greatest advances in diagnosis was the invention of the compound microscope toward the end of the 16th century by the Dutch optician Hans Jansen ...

www.livescience.com/39649-who-invented-the-microscope.html

Sep 13, 2013 ... Zacharias Janssen, credited with inventing the microscope. ... Hans Lippershey, also spelled Lipperhey, was born in Wesel, Germany in 1570, ...