Zacharias Janssen (1585 – pre-1632) was a Dutch spectacle-maker from Middelburg associated with the invention of the first optical telescope. Janssen is ...
Although Zacharias Jansen's life was previously documented, many of the archives ... although Boreel did not see the microscope for himself until years later.
Zacharias Janssen is generally believed to be the first investigator to invent the compound microscope.
This page illustrates the first known compound microscope, build by Zacharias Janssen around 1590.
Janssen was the son of a spectacle maker named Hans Janssen, in Middleburg, Holland, and while Zacharias is credited with inventing the compound ...
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 ...
Sep 13, 2013 ... By Lauren Cox, Live Science Contributor | September 13, 2013 08:20pm ET ... Zacharias Janssen, credited with inventing the microscope.
Hans Janssen and his son Zacharias Janssen, Dutch spectacle-makers, are frequently cited as having ... Zacharias Janssen did not obtain a formal education .