| Description | Letters, cables and telegrams of congratulation: A-C
Correspondents include: John Bertram Adams, Mary Adams, Paul Adorian, HR Ambler, Sir Herbert Andrew, Sir Leon Bagrit, John Ball, F Rod Banks, Harold Barlow, Leslie Bates, Sir Hugh Beaver, Sir Leonard Behrens, Sir William Black, Moses Blackman, Brebis Bleaney, H James Boyden, JR Marcus Brumwell, Alastair Francis Buchan, Sir Edward Bullard, Clifford Butler, Rear Admiral Sir Anthony Buzzard, Rt Hon James Callaghan MP, HC Calpine, Baron Campbell of Camis Eskan, Charles Frederick Carter, Sir Charles Cawley, Sir James Chadwick, Sir Ernst Chain, William Clark, Maj Gen Sir Edward montagu Campbel Clarke, Sir Richard Clarke, Sir John Cockcroft, Sir James Cook, Sir William Cook, Sir Alan Cottrell, Charles Coulson, Sir Graham Cunningham and SC Curran |