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They created the compound microscope

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Q: Hans and Zacharias Janssen contribution to the cell theory?
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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.


When did Zacharias janssen and Hans discover cell theory?

in manila


What are the contributions of Hans and Zacharias Janssen?

Hans and Zacharias Janssen invented the microscope


What was Hans and Zacharias Janssen's contribution to cell theory?

They created the compound microscope, allowing people to better analyze and understand the complexity of cells.


What Hans and zacharias janssen discovered?

Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.


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.


Zacharias jansenns contribution to the cell theory?

Based on the timeline of the cell theory, father and son, Hans and Zacharias Janssen started produced the first compound microscope. They combined two convex lenses within a tube. This was in the year 1595.


Where was Hans and zacharias jenssen born?

Zacharias Janssen was born In 1580.


When was Hans janssen born?

Hans Janssen was the supposed creator of the microscope, along with his son, Zacharias Janssen. Actually, Hans Janssen was the son of Zacharias Janssen, not the other way around. And yes they did invent the first Compound Microscope in the year 1590.


Who was zacharias janssen brother who help to discover the microscope?

hans janssen is the brother of zacchariah janssen


How are Hans and Zacharias Janssen related?

they were father and son


What was the contribution from Hans and zacharias janssen to the cell theory?

In 1950, dutch eyeglass makers, Hans and Zacharias Janssen ( exact dates unknown ), invented the first compound microscopes, by lining up two lenses to produce extra-large images and in doing so they created the compound microscope. They were inventors of the first compound microscope in 1595, which allowed for more in depth studies of cells.