Letter from Sir John Boyd Orr, the Rowett Research Institute, Bucksburn, Aberdeenshire, to Henry Barcroft, Physiological Laboratory, Queen's University, Belfast Notes that 'it was a sad visit with the snow, my wife ill and me feeling like a bear with a sore head'. Hopes Barcroft will visit them again when there is 'no snow and no influenza'. 31 January 1945