William Clark, Baron Clark of Kempston

William Gibson Haig Clark, Baron Clark of Kempston, PC (18 October 1917 – 6 October 2004) was a British Conservative Party politician.

Clark was educated at Battersea Polytechnic, qualifying in accountancy in 1941. From 1941 until 1946, he served in World War II in Britain and India in the Royal Ordnance Corps, gaining the rank of major. He became involved in business, particularly in sugar broking, with interests in St Kitts and Belize, and in property back in the UK.

In 1949, Clark was elected a councillor on Wandsworth Borough Council, serving until 1953. He was unsuccessful in his attempt to win a seat on the London County Council and stood without success in the 1955 general election in Northampton.

Clark was elected to Parliament for Nottingham South in 1959, serving on the opposition front bench from 1964 to 1966, the only period in his career. He lost his seat in 1966.He was subsequently elected MP for East Surrey 1970 to 1974 and for its largely successor seat after boundary changes, Croydon South from 1974 until he retired in 1992. He was active in the 1970s in restoring Conservative Party finances to a sustainable levels. He identified with the right wing of the party and voted against British membership of the Common Market in 1971. He chaired the Conservative backbench Finance Committee from 1979 until 1992, encouraging Margaret Thatcher to pursue financial stability and free enterprise and defending her policies on television and radio. He was knighted in 1980 and in 1990 he was made a Privy Counsellor.

Following his retirement Clark received a life peerage as Baron Clark of Kempston, of Kempston in the County of Bedfordshire and was an active contributor to House of Lords debates. He was married to Irene Rands and had three sons and a daughter.