History Of the Microscope By: Sharnae Hunt

Robert Hooke

July 18, 1635 - March 3, 1703

London, United Kingdom

Compound Microscope

Occupation: Physicist and Scientist

Contribution to the Microscope: He created the name for the cell after finding them in the pores of a cork. Hooke also discovered plant cells.

"Juicy": He created the theory of elasticity or Hooke's Law which states, "That the force required to extend or compress a spring is proportional to the distance of that extension or compression".

References

Biography.com Editors. (2015, December 29). Robert hooke biography. Retrieved from http://www.biography.com/people/robert-hooke-9343172#synopsis

Microscope history: Robert Hooke (1635 - 1703). (n.d.).Retrieved from http://www.history-of-the-microscope.org/robert-hooke-microscope-history-micrographia.php

Zacharias Janssen

1580 - 1638

The Hague, Netherlands

Janssen created the first microscope.

Occupation: Spectacle Maker

Contribution to the Microscope: Zacharias was the inventor of microscope. His microscope was like a hand lens and had a slot to place the sample in. His invention could only magnify the object 3 times the original size.

"Juicy": In 1613-1619 he counterfeited coins at the Middleburg mint he grew up by. He then fled to Arnemuiden to avoid the penalties. He then continued counterfeiting there and was arrested for owning conterfeiting machines. This crime could have been punished by death, but Arnemuiden bailiff helped him. Later on Janssen fled again and the case was dismissed and he returned to Middleburg in 1621.

References

Hans and Zacharias Jansen: A complete microscope history (1635 - 1703). (n.d.).Retrieved from http://www.history-of-the-microscope.org/robert-hooke-microscope-history-micrographia.php

Zacharias Janssen. (2017, January 7). In Wikipedia, The Free Encyclopedia. Retrieved January 7, 2017, from https://en.wikipedia.org/w/index.php?title=Zacharias_Janssen&oldid=758857129

Anton von Leeuwenhoek

October 24, 1632 - August 26, 1723

Delft, Netherlands

This is a simple microscope and its size ranged from 3-4 inches long.

Occupation: Tradesmen and Scientist

Contribution: Leeuwenhoek's microscope has a pretty basic design. The lens were made from soda lime glass. Using the glass he made tiny spheres the would magnify up to 200x. The object being magnified is placed on the point, then using the screws you would focus and reposition the object.

"Juicy": When Anton sent the Royal Society his observations of the single celled organisms they questioned his credibility and sent a team of respected observers for inspect his work.

References

Antoni van Leeuwenhoek. (n.d.). Retrieved from http://www.buffalolib.org/content/milestones-science/antoni-van-leeuwenhoek

Anton van Leeuwenhoek: A history of the compound microscope. (n.d.).Retrieved from http://www.history-of-the- microscope.org/robert-hooke-microscope-history-micrographia.php

Credits:

Created with images by Arenamontanus - "Microscope"

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