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    Isaac Newton, Theory of Gravitation  
Sir Isaac Newton was an English mathematician, astronomer, and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time and a key figure in the scientific...
 
    Fraunhofer, Founding Stellar Spectroscopy, 1814  
Joseph Ritter von Fraunhofer is known for discovering the dark absorption lines known as Fraunhofer lines in the Sun's spectrum, and for making excellent optical glass and achromatic telescope objectives. In 1814 Fraunhofer invented the...
 
    Fresnel, Acceptance of the Wave Theory of Light  
Augustin-Jean Fresnel was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton's corpuscular theory, from the late 1830s until the...
 
    Maxwell, Light is an Electromagnetic Wave  
James Clerk Maxwell was a Scottish mathematical physicist. His most notable achievement was to formulate the classical theory of electromagnetic radiation, bringing together for the first time electricity, magnetism, and light as manifestat...
 
    Hertz, Electromagnetic theory of Light  
Heinrich Rudolf Hertz was a German physicist who clarified and expanded the electromagnetic theory of light that had been put forth by Maxwell. He was the first to satisfactorily demonstrate the existence of electromagnetic waves by buildi...
 
    Albert Einstein, Relativity Theory - 1905  
Albert Einstein was a German-born theoretical physicist. Einstein developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy...
 
    Theodore Maiman, Inventor of the Laser, 1960  
Theodore Harold "Ted" Maiman was an American engineer and physicist credited with the invention of the first working laser. Maimanís laser led to the subsequent development of many other types of lasers. The laser was successfully fired on...
 
       
 
         
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