Zacharias Janssen (1585 – pre-1632) was a Dutch spectacle-maker from
Middelburg .... Janssen's son Johannes testified under oath that Hans Lippershey
Microscope History: Two Dutch spectacle makers, Hans and Zacharias Jansen (
sometimes spelled Janssen) are credited with inventing the first microscope in ...
The microscope illustrated above was built by Zacharias Janssen, probably with
the help of his father Hans, in the year 1595. Janssen's microscope consists of ...
Hans and Zacharias Janssen were a Dutch father and son accredited with the
creation of the first microscope. Both lived in the Netherlands and were working ...
Jan 22, 2013 ... Zacharias Janssen (1580-1638) was a Dutch eyeglass maker from Middelburg,
Holland. He was the son of a spectacle maker named Hans ...
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 the first to develop a compound microscope, without
which ... Zacharias Janssen, along with his father Hans, played a large part in
Hans and Zacharias Janssen, ~1590, Dutch Eyeglass Makers, Inventors. Credit
for the first microscope is usually given to Zacharias Janssen, pictured at the left,
Zacharias Janssen was born in Holland around 1580; no records exist citing the
exact date. He worked with his father, Hans, an eyeglass maker. Because of this
Hans and Zacharias Janssen. Dutch lens grinders, father and son; produced first
compound microscope (2 lenses). Robert Hooke (1665). English scientist ...