E A Cox was born in Islington, London. He studied at Whitechapel People’s Palace and at Bolt Court, and later at the London College of Printing. For a time he worked as a designer for a manufacturing chemist and as an assistant to the artist Sir Frank Brangwyn. Cox designed murals and posters receiving commissions from London Underground, and the Empire Marketing Board amongst others. He undertook illustrations for number books, favouring historic and heroic adventures. Cox was elected to the Royal Society of British Artists in 1915 and exhibited at most of the leading art venues. He died on 20th April 1955.