Correction
DEC 01, 1951
DOI: 10.1063/1.3067114
On page 14 of the October 1951 issue of Physics Today it was stated incorrectly that George B. Pegram is vice president of Columbia University. Dr. Pegram, who retired in 1950, is vice president emeritus and special advisor to the president of Columbia.
© 1951. American Institute of Physics
