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Zacharias Janssen was a Dutch spectacle-maker of Middelburg.
Hans Janssen and his son Zacharias Janssen, Dutch spectacle-makers, are frequently cited as having invented the first compound microscope in 1590, but there is a good deal of dispute. They may not have. Zacharias Janssen was the one who actually made the claim, and in the middle of the 1600's. A number of historians, however, agree that it is imporbable that 1590 is correct. There is a good deal of evidence that Zacharias Janssen was born somewhere around 1590.
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What is zacharias janssen's birthday?
Oct. 18 1607
When did Zacharias Dase die?
Zacharias Dase died in 1861.
What is the birth name of Kitty Janssen?
Kitty Janssen's birth name is Janssen, Catharina Thecla Maria.
When was Edward H. Janssen born?
Edward H. Janssen was born in 1815.
When did Paul Janssen die?
Paul Janssen died in 2003.
What are the contributions of Hans and Zacharias Janssen?
Hans and Zacharias Janssen invented the microscope
Was Zacharias Janssen Greek?
Zacharias Janssen was from the Netherlands
When did zacharias janssen die?
zacharias janssen died in 1638
What did Zacharias Janssen do?
In 1590 Zacharias Janssen (Netherlands) invented the compound microscope.
What did he do Zacharias Janssen?
Zachariars Janssen,Had Made In Micorscope
What Hans and zacharias janssen discovered?
Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.
What did Zacharias Janssen invent?
Zacharias Janssen (Netherlands) invented the telescope and perhaps the compound micoscope in 1590.
Where was Hans and zacharias jenssen born?
Zacharias Janssen was born In 1580.
What year did Hans and Zacharias Janssen's contribution to the cell theory occur?
Hans and Zacharias Janssen invented the compound microscope in 1595.
Who was zacharias janssen brother who help to discover the microscope?
hans janssen is the brother of zacchariah janssen
What nationality was Zacharias Janssen?
Dutch i think
Was Zacharias Janssen an only child?
yes
