| Description | Publications, editorial board meetings, invitations to symposia, university meetings, visits, research queries, enquiries for work in Katz's department, naturalization
papers. Includes recommendations. Correspondents include Sir Ifor Evans, George H Bell, Sir Alan Lloyd Hodgkin, Rudolf Bachmann, Peter O Bishop, Wilhelm Feldberg, Jonathan Magnes, Alfred Fessard, Sir John Carew ('Jack') Eccles, AK (Archie) McIntyre, Karl Friedrich Bonhoeffer, Society for Visiting Scientists. |