Famous Scientists 



577 



Name Dates 



Kelvin, Lord (kel'vin) 1824-1907 



Kepler, J. (kep'ler) 1571-1630 



Koch, R. (kok) 1843-1910 



Langmuir, I. (lang'mur) 1881- 



LaPlace, P. S. (la-plas') 1749-1827 



Leeuwenhoek, A. Van 1632-1723 

 (Ia'v(?n-ho6k) 



Liebig, J. Baron, von 1803-1873 

 (le'bik) 



Lister, J. 1827-1912 



Michelson, A. A. 1852-1931 



(mi'k<?l-SMn) 



Millikan, R. A. 1868- 



(min-kdn) 



Muir, J. (mur) 1838-1914 



Newton, I. 1642-1727 



Pasteur, L. (pas-tur') 1822-1895 



Priestly, J. (prest'H) 1733-1804 



Pupin, M. I. (pu-pen') 1858- 



Ramsay, Sir W. (ram'zi) 1852-1916 



Outstanding Contributions 



Engineer in charge of laying the first 

 Atlantic cable. Formulated a theory 

 as to the age of the earth. Made 

 researches which strengthened the 

 molecular theory. 



Discovered the way planets move. 



His researches in bacteriology greatly 

 benefited mankind. Discovered the 

 bacillus of tuberculosis. 



Improved incandescent bulbs and 

 radio tubes. 



Substantiated Newton's law of gravi- 

 tation by scientific experimentation. 



First to study blood capillaries, red 

 corpuscles, and microorganisms 

 with the aid of a microscope. 



Made valuable applications of chem- 

 istry to agriculture and to food. 

 Greatly advanced chemistry. 



Invented the antiseptic method of 

 surgery. 



Made many valuable discoveries 

 about light. 



Discovered that all electrons are 

 alike. 



A pioneer in advocating forest con- 

 servation and national parks. 



Discovered the theory of universal 

 gravitation. 



Discovered that fermentation and 

 many diseases are caused by bac- 

 teria, and found methods of over- 

 coming these bacteria. 



First to produce oxygen and study it 

 as a separate gas. 



Made electrical discoveries that in- 

 creased the range of the long-dis- 

 tance telephone. 



Discovered argon, neon, krypton, and 

 xenon gases. First to discover the 

 presence of helium in a substance 

 on earth. 



