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    Hesiod, Greek Poet  
Hesiod was a Greek oral poet and is often identified as the first economist. His date is uncertain but leading scholars, favor the the eighth century BC for when Hesiod lived. Since at least Herodotus's time, Hesiod and Homer have generally...
 
    Celsus, Roman Encyclopaedist, Medicina  
Aulus Cornelius Celsus was a Roman encyclopaedist, known for his extant medical work, De Medicina, which is believed to be the only surviving section of a much larger encyclopedia. The De Medicina is a primary source on diet, pharmacy, surg...
 
    James Hutton, Father Modern Geology  
James Hutton was a Scottish physician, geologist, naturalist, chemical manufacturer and experimental agriculturalist. He is considered the father of modern geology. His theories of geology and geologic time, also called deep time, came to b...
 
    Liebig, Father of Fertilizer  
Justus Freiherr von Liebig was a German chemist who made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry. As a professor, he devised the modern laboratory-oriented teaching m...
 
    Wickham, Stealing Rubber Seeds  
Sir Henry Alexander Wickham was a British explorer. He later claimed in publicity that he was responsible for stealing about 70,000 seeds from the rubber-bearing tree, Hevea brasiliensis, in the Santarém area of Brazil in 1876. However ther...
 
    George Washington Carver  
Scientist and early advocate for industrial uses for farm crops (bio-energy). Carver earned a B.S. from the Iowa Agricultural College in 1894 and an M.S. in 1896. He became a member of the faculty of Iowa State College and then Tuskegee Ins...
 
       
 
         
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