Letters to Robert Robinson from Holger G H Erdtman Contains personal and scientific correspondence, including a discussion of compounds isolated from pine for the pulp industry and a report from a conference on the genesis of gas and oil. Also contains some correspondence relating to potential Nobel prizes for Dorothy Hodgkin and John Warcup Cornforth [Erdtman served on the Nobel Chemistry Committee]. Includes a carbon copy of one letter from Robinson to Erdtman, and some later correspondence containing an account of Erdtman's career, for Robinson's memoirs. 1939-1972