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What did Hans and Zacharias Janssen contribute to science?
they did something about cells......I think -1950. Dutch eyeglass makers, such as Zacharias Janssen ( exact dates unknown ), invent the first compound microscopes, by lining up two lenses to produce extra-large images.
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 did Janssen discover?
Zacharias Janssen was the first person to invent the optical telescope. He is also known as the inventor of the compound microscope.
How was Zacharias and Hans Janssens work affected by earlier scientists?
by a frog
Hans and zacharias jansen?
II-Courtesy jules advincula biology :P
What year did Hans and Zacharias Janssen's contribution to the cell theory occur?
Hans and Zacharias Janssen invented the compound microscope in 1595.
What year did Hans and zacharias janssen make the first compound microscope?
They discovered the microscope in 1595
What are the contributions of Hans and Zacharias Janssen?
Hans and Zacharias Janssen are credited with inventing the first compound microscope in the late 16th century. Their creation revolutionized the field of optics and laid the foundation for modern microscopy.
Where was Hans and zacharias jenssen born?
Zacharias Janssen was born In 1580.
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
Who first discovered microscope?
The microscope was first discovered by Dutch spectacle makers Zacharias Janssen and his father Hans in the late 16th century. They developed an early version of the compound microscope using lenses in a tube.
Who invented the lens grinding machine?
Hans and Zacharias Janssen
What happened in 1590?
zacharias and Hans janssen invented the microscope
When did Zacharias janssen and Hans discover cell theory?
in manila
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 discover microscope?
The compound microscope was invented by Zacharias Janssen in the late 16th century, although others like Hans and Zacharias Janssen, Hans Lippershey, and Hans Martens claim to have contributed to its development. The electron microscope was later invented in the 20th century by Ernst Ruska and Max Knoll.
