Letter from John McMichael, British Postgraduate Medical School, University of London, Hammersmith Hospital LCC, Dunace Road, Shepherd's Bush, London W12, to Henry Barcroft, Queen's University, Belfast Thanks him for writing - informs him that Pearl [the maid that Barcroft helped them to find] seems to be most pleasant and promising'. Invites him to stay with them when he comes to London for the meeting of the Physiological [Society]. 29 January 1946