Internet Encyclopedia of Science
CHEMISTS
PHYSICISTS
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

                   • HOME
• ABOUT
• CATEGORIES
• USE OF TEXT AND IMAGES
• NEWSLETTER

  



Boltwood, Bertram Borden (1870–1927)


Bertram Borden Boltwood
American chemist and physician who did important research in radioactivity which led to the development of the theory of isotopes. Boltwood discovered (1907) ionium – a radioactive isotope of thorium. He was professor of radiochemistry at Yale University (1910–27).


Related categories

   • CHEMISTS
   • PHYSICISTS


Also on this site:

Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History




BACK TO TOP