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  Heron of Alexandria, Inventor Steam Engine  
Heron of Alexandria was an ancient Greek mathematician who was a resident of a Roman province (Ptolemaic Egypt); he was also an engineer who was active in his hometown of Alexandria. He is considered the greatest experimenter of antiquity a...
 
 
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  Zhang Heng, Chinese Scientist  
Zhang Heng was a Chinese astronomer, mathematician, inventor, geographer, cartographer, artist, poet, statesman, and literary scholar from Nanyang, Henan. He lived during the Eastern Han Dynasty (AD 25220) of China. He was educated in the...
 
    Cavalieri, Infinitesimal Calculus  
Bonaventura Francesco Cavalieri was an Italian mathematician. He is known for his work on the problems of optics and motion, work on the precursors of infinitesimal calculus, and the introduction of logarithms to Italy. Cavalieri's principl...
 
    Blaise Pascal, Inventing a Calculator  
Blaise Pascal was a French mathematician, physicist, inventor, writer and Catholic philosopher. He was a child prodigy who was educated by his father, a tax collector in Rouen. Pascal's earliest work was in the natural and applied sciences...
 
    William Armstrong, 1st Baron Armstrong  
William George Armstrong, 1st Baron Armstrong CB, FRS was an effective Tyneside industrialist who founded the Armstrong Whitworth manufacturing empire. Armstrong was responsible for developing the hydraulic accumulator. Where water press...
 
       
 
         
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