Personal correspondence: B (Baer - Bernal) Correspondents include: Dr Richard Baer (Zurich); Claus Baerwald; Dr Cyril Bailey; Prof SJ Barnett; K Battsek; Prof Emil Baur; Prof Karl Bechert; Otto Beek; Ronald P Bell; Berger (Jena Glaswek); Dr Arnold Berliner and Prof JD Bernal. Berliner was founder and for twenty-five years editor of the scientific weekly journal 'Die Naturwissenschaften', before being forced from office in 1935 by the Nazis on account of being a Jew. He committed suicide in 1942 when he knew he was destined for a Nazi concentration camp. 1924-1956