Born at Bletchley, 31 August 1865, the seventh child and fifth son of Thomas Lucas, farmer, and his wife, *née* Goodman. He was educated privately till he entered St Bartholomew's Hospital in 1883, where he subsequently served as house surgeon. He was for a time resident medical officer at the Metropolitan Hospital, London, E, and then settled at Birmingham, where his active life was spent. Lucas was appointed resident surgical officer at the General Hospital, Birmingham in 1891, and elected assistant surgeon in 1893. He became surgeon in 1912, and was ultimately senior surgeon, and was appointed consulting surgeon on his retirement in 1925, when he was presented with his portrait by his colleagues and friends. He was also surgeon to the Jaffray Hospital, Erdington, and the General Hospital, Nuneaton, and to the Birmingham Institute for the Blind. For some years he was lecturer in surgery in the school of dentistry of the University of Birmingham. He practised at 141 Great Charles Street. During the first world war Lucas served at the 1st Southern General Hospital at Edgbaston, with the rank of major, RAMC (T), gazetted 22 May 1915. Lucas took an active part in professional and public life. He was for long the medical adviser to the various public-works departments (gas, water, and so on) of the City Corporation, and on retiring in 1937 received a congratulatory address from the Lord Mayor of Birmingham. In the British Medical Association he served on the central council for many years from 1909, and did particularly useful work as chairman of the *Journal* committee in the difficult war period 1914-18; he also served on the finance, hospitals, and central war committees. In 1911 he was secretary for the Birmingham meeting; in 1912 vice-president of the section of surgery at the Liverpool meeting; and from 1913 to 1926 representative of his division; in 1922-23 he was president of the Birmingham branch of the Association. Lucas married in 1899 Edith H Bassett, who survived him with two daughters. After retiring he lived at Countesthhorpe, Tiddington Road, Stratford-on-Avon, where he died on 28 March 1944, aged 78, and was cremated at Perry Barr. He was a sound surgeon, quiet, and unostentatious, with excellent business capacity.