Correspondence from W.J.G. Beynon to Edward Appleton, 1938-1959

This subseries consists of 8 files containing correspondence from W.J.G. Beynon to Edward Appleton, dated 1938-1959. Beynon was one of Appleton's principal collaborators, first at the National Physical Laboratory where Beynon was Senior Scientific Officer, 1938-1946, and at University College, Swansea, 1946-1958, and University College of Wales, Aberystwyth, where he became Professor and Head of Department in 1958. The material includes data and reports, and frequent references are made to the U.R.S.I. [Union Radio-Scientifique Internationale] during the 1950s, when Beynon was Secretary and Appleton Chairman of the M.C.I. [Mixed Commission on the Ionosphere]. See Coll-37/C.365-C.383 for the main sequence of U.R.S.I. correspondence. Letters for 1953-1954 also refer to research which Appleton was conducting in collaboration with A.J. Lyon. See Coll-37/C.142-C.144 for further material on this subject.