John Duncan Grimston 7th Earl of Verulam (born 21 April 1951) styled Viscount Grimston between 1960 and 1973 is a British peer.Grimston is the son of John Grimston 6th Earl of Verulam who inherited the title from his brother in 1960 and won election in 1943 1950 and 1955 as the MP for St Albans. He succeeded in the earldom in 1973 on the death of his father.For 14 years until 1996 he was a director of corporate finance at Barings Bank.