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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.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 ...

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

Zacharias Janssen is generally believed to be the first investigator to invent the compound microscope. However, because the accomplishment is generally ...

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 ...

education.seattlepi.com/did-zacharias-janssen-contribute-microbiology-5128.html

The Janssen microscope paved the way for the modern electron microscope. ... Historically, Dutch spectacle maker Zacharias Janssen has been given credit for  ...

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

Lens Crafters Circa 1590:The Invention of the Microscope. ... dates back to the late 16th century and a modest Dutch eyeglass maker named Zacharias Janssen .

classroom.synonym.com/did-zacharias-janssen-contribute-microbiology-18272.html

Zacharias Janssen was a spectacle maker in the late 16th and early 17th century. He is credited with making the earliest compound microscope in the 1590s.

oureverydaylife.com/did-zacharias-janssen-contribute-microbiology-41180.html

Zacharias Janssen, probably with assistance from his father Hans, is credited with the invention of the compound microscope. By introducing a device that ...

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

Sep 13, 2013 ... Also living in Middelburg were Hans and Zacharias Janssen. Historians attribute the invention of the microscope to the Janssens, thanks to ...