Harold Pinter | Harold Wilson | Harold Macmillan | Harold Bloom | Harold Godwinson | Harold Lloyd | Joan Berger | Harold Stassen | Harold Prince | J. Harold Ellens | Harold Holt | Sir Harold Hillier Gardens | Peter L. Berger | John Berger | Harold Washington | Harold Hitz Burton | Harold Alexander, 1st Earl Alexander of Tunis | Berger | Harold Peto | Harold & Kumar Go to White Castle | Harold Arlen | Harold | Harold Budd | Michel Berger | Harold Eugene Edgerton | Harold Bauer | Harold von Schmidt | Harold Robbins | Harold Laski | Harold Gould |
Around 1960, Harold Berger (US) and John Barton (UK) began evaluating neutrons for investigating irradiated reactor fuel.