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What year did Hans and Zacharias Janssen's contribution to the cell theory occur?
Hans and Zacharias Janssen invented the compound microscope in 1595.
Was Zacharias Janssen Greek?
Zacharias Janssen was from the Netherlands
When did zacharias janssen die?
zacharias janssen died in 1638
What was Hans and Zacharias Janssen's contribution?
Hans and Zacharias Janssen are credited with inventing the first compound microscope around 1590. Their creation allowed for the magnification of small objects, leading to advancements in scientific observation and research.
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 was Hans and Zacharias Janssen's contribution to science?
Combined too convex lenses within a tube, thus constructing the forerunner of the compound microscope
What was Zacharias Janssen contributions?
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.
Who was zacharias janssen brother who help to discover the microscope?
hans janssen is the brother of zacchariah janssen
