RESONANT CAVITY MAGNETRON

Washington, D.C. • September 8, 1940 On this date in 1940 the 7-mem­ber British Tech­ni­cal and Scien­tific Mis­sion to the United States, or Tizard Mis­sion as it was infor­mally known, assem­bled in the nation’s capital. Sir Henry Tizard, bril­liant vision­ary scien­tist and head dele­gate, had been in Wash­ing­ton, D.C., since August 22, meeting with notables, including…