Robert Hooke contributed greatly to many fieds of science all throughout his life. The following is a list of many of these contributions.

• Founded the field of Microscopic Biology.
• He was the first to coin the word 'cell'.
• Designed and built the air pump used by Robert Boyle.
• Defined Hooke's Law.
• Devised one of the best microscopes of his time.
• Invented the Universal Joint.
• Invented the iris diaphragm.
• Constructed the first prototype of a respirator.
• Discovered the red spot of Jupiter and first person to report the rotation.
• First to realize and conceptualize the wave properties of light.
• Invented a method of telegraphy.
• Invented a diving bell.
• Established the thermo-metrical zero at the freezing point of water.
• Demonstrated the elliptical paths of planets in their orbits around the sun.
• Invented an ear trumpet.
• Founded the field of Meteorology.
• Invented the anchor escapement in clocks.
• Invented the Circular fly wheel used in many analogue watches and clocks still today.
• First person to conceptualize the theory of gravity and its inverse-square effect.
• Argued that light was in fact waves and not particles. Isaac Newton believed light was made up of particles.
• Discovered a new planet, Uranus, (reported on 22nd January 1673)... 100 years before it was accidentally re-discovered in 1781.
• Discovered that sound could travel along a wire and around corners.
• Hooke discovered and proved that the comet seen in 1665 was the same one seen in 1618, Haley's comet.
• Designed the first equatorial quadrant which aided astronomical observations.
• First to observe and record the existence of sun spots.
• Proposed the first concepts of evolution in rudimentary form.
• Hooke was Britain's first professional experimental scientist.
• Invented the first western-world arithmetic machine.
• Invented an air gun.
• and much more...
  
  
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