Robert Henry Walker (1857-1939) was born on 24 March 1857 in Malton, Yorkshire, the son of the Revd John Walker (1821-1904), Rector of Bradwell, Suffolk, 1864-1904, and Louisa Gertrude Walker. He attended Dedham Grammar School, and entered St John's College, Cambridge, in 1875 (B.A., 1879; M.A., 1882). He was ordained deacon in 1880, and priest in 1881, and was Curate of All Souls, Langham Place, London, 1880-1887. Walker joined the Church Missionary Society in 1887, and was based at Usambiro and Mengo, 1889-1893. He was Archdeacon of Uganda, 1893-1912, and Secretary of the C.M.S. in Uganda, 1890-1912. He married Eleanor, daughter of George Barbour of Bolesworth Castle, Cheshire, in 1910. After returning to England, Walker was Vicar of Broxbourne, 1913-1919. He died on 10 January 1939 at Ealing. The collection also features Walker's brothers, Wilfred Charles (1858-1939), Rector of Bradwell, Norfolk, 1905-1930, Cyril Hutchinson (1861-1955), surgeon, and Basil Woodd, and his sisters, Harriett and Margaret.