Photographic collection documenting travel to International Physiological Congress Collection of informal photographs taken on board the S.S. Minnekahda and R.M.S. Ascania by Lillian Mary Pickford. Features many prominent FRS, largely physiologists, all travelling to the International Physiological Congress in Boston (1929), and in Montreal (1953). Sitters include: Hugo Huggett, Ivan de Burgh Daly, Henry Hallett Dale, Walter Fletcher Morley, Archibald Vivian Hill, Ivan Pavlov, John Henry Gaddum, David Whitteridge and Joshua Harold Burn. 1929-1953