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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 ...

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

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

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, ...

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 ...

www.fampeople.com/cat-zacharias-janssen

Zacharias Janssen (also Zacharias Jansen or Sacharias Jansen) (b.1580-88, d. pre-1632 to 1638) was a Dutch spectacle-maker from Middelburg associated ...

www.reference.com/history/hans-janssen-born-f3b0bcc0a69040a5

Hans Janssen was born in the 16th century, but his exact birthday is unknown. He is the father of Zacharias Janssen, who is thought to have been born in 1585  ...

www.reference.com/history/did-zacharias-janssen-invent-2954e2f9ba5fcd7d

A: Hans Janssen was born in the 16th century, but his exact birthday is unknown. He is the father of Zacharias Janssen, who is thought to have been born in 15.