Papers of Henry Barcroft FRS, physiologist The papers include his correspondence, including administrative letters during his term as Chair of Physiology at Queen's University Belfast and St Thomas's Hospital School of Physiology; some scientific correspondence, especially regarding plethysmograph techniques and sympathectomy research; exchanges with physiologists such as O Edholm, John McMichael and R T Grant; and two folders of reprints produced by his research groups at Queen's University and St Thomas's [see HB/47-48]. 1920-1998