Includes manuscript early calculations on insulin c.1941. Käthe Schiff was an Austrian refugee, who worked with Bernal at Birkbeck and became an important recruit to Hodgkin's group on the outbreak of war in 1939. After the war she returned with her husband Paul Dornberger to East Berlin. See also MS. Eng. c. 5701/3 in the main Hodgkin papers and passim; Ferry pp.183, 186, 383.