Clifford Harper is a worker, illustrator, and militant anarchist. He wrote Anarchy: A Graphic Guide in 1987. He is a long-term contributor to The Guardian newspaper and many other publications.

Eel Pie Island is an 8.9-acre (3.6 ha) island in the River Thames at Twickenham in the London Borough of Richmond upon Thames. It is on the maintained minimum head of water above the only lock on the Tideway and is accessible by boat or from the left bank by footbridge. The island had a club that was a major venue for jazz and blues in the 1960s.