Ruby Leader was technician in charge of the animal room of the Department of Biochemistry, c. 1917-1957.
Comprises: laboratory notebook, mostly relating to rats and diet, 1953-61;
general notebook, with loose inserts, notes, printed material relating to the care of laboratory animals and notes on diet, and occasional letters, c. 1923-43;
notes on care and feeding of stock rats, c. 1951;
file of offprints, newspaper cuttings and letters, including: obituary notice for Frederick Gowland Hopkins and order of service for funeral, 1947-8, and letter from him to Leader, 1934; Animal Technicians Association card, 1951, and programme for Laboratory Animals Bureau Congress, Cambridge, 1952; offprint, Violet Ruby Leader, ‘Some factors involved in the experimental production of pellagra in rats’, Biochemical Journal, Vol. XXIV, No. 4, 1930; booklet for the opening of the new wing of the Department of Biochemistry, 1963; offprint, Violet Ruby Leader, ‘Pioneer vitamin research at Cambridge’, The Journal of the Animal Technicians Association, Vol. 3, No. 2, [1952] with a newspaper cutting featuring image of Leader; Leader’s tribute to Hopkins, given as a lecture to the Sir F.G. Hopkins Centenary Tea Club meeting, 1961; photograph of Leader in the laboratory; notice of presentation of long service certificates to University Assistants, 1959; assorted handwritten notes and offprints.