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 SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Aston, Francis William (1877–1945) British physicist who was awarded the 1922 Nobel Prize for Chemistry for his work on isotopes. Aston developed the mass spectrograph that separates isotopes, and he used it to identify 212 naturally occurring istopes. His work led to the formulation of the whole-number rule for isotopic weights. Related category    • PHYSICISTS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP