REPORT FOR ANALYTICAL CHEMISTS
PAPER CHROMATOGRAPHY APPARATUS
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30 A
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ANALYTICAL CHEMISTRY
100
LAWRENCE A. HARRIS was born in Toronto in 1923. He received a B.A.Sc. jrom the University of Toronto (1946) and S.M. and Sc.D. degrees jrom M.I.T. (1948 and 1950, respectively). He taught electrical engineering at the University oj Florida (1960-51) and was on the faculty of the University of Minnesota from 1951 to 1955. Since 1956 Dr. Harris has been a physicist at the Research and Develop ment Center of General Electric Com pany in Schenectady, New York.
Journal
of Applied
Physics)
system. The characteristic features of a beryllium substrate were barely visible only after argon sputtering of the sample to remove the or ganic layer (
