James Walter Grimston, 4th Earl of Verulam (17 April 1880 – 29 November 1949) was a British peer, electrical engineer and businessman, sometimes identified with the fringes of the intelligence service.
Verulam founded Enfield Cables Ltd and had many business interests in oil and telecommunications, including as a director of British Thomson-Houston.
He reputedly allowed MI6 the use of some of the premises on his estate and was a business associate and personal friend of World War II internee Robert Liversidge.
[2] They had four sons, two of whom succeeded to the earldom and two of whom were killed in action in the Second World War.
[3] Verulam died in November 1949 at the age of 69 and was succeeded in his titles by his brother, James.