Correspondence between Hans Arnold Heilbronn and the Royal Society Minor correspondence, including on his official photograph for the Royal Society; with a printed obituary for Sir Ian Heilbron , by J.P. Wibaut. Letters to and from the Assistant Secretary, David Christie Martin. The original file featured the typed name and address: 'Professor H.A. Heolbronn, F.R.S., Department of Mathematics, University of Bristol, Bristol 8'. 7 December 1951-21 July 1961