C2: Commission on Symbols, Units, Nomenclature, Atomic Masses and Fundamental Constants
The Commission on Symbols, Units, Nomenclature, Atomic Masses and Fundamental Constants (C2) was established by the International Union of Pure and Applied Physics in 1931 to promote the exchange of information and views among the members of the international scientific community in the general field of Fundamental Constants.
Dean Jarrett [NIST Gaithersburg], (left) Conference Chair; Prof Ian M. Mills [University of Reading, UK], recipient of the C2 SUNAMCO Medal; and Stephen N. Lea [Chair, IUPAP Commission C2 – SUNAMCO], at the 2012 Conference on Precision Electromagnetic Measurement in Washington DC, USA.
Dean Jarrett [NIST Gaithersburg], (left) Conference Chair; Dr Pierre Cladé [Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Paris, France], recipient of the IUPAP Young Scientist Prize in Fundamental Metrology; and Stephen N. Lea [Chair, IUPAP Commission C2 – SUNAMCO], at the 2012 Conference on Precision Electromagnetic Measurement in Washington DC, USA.