Guy Anson Maunsell was the civil engineer responsible for designing the sea forts that bear his name. He was born in 1884 in British India to a military father.
He was sent to school to the Eastbourne College in 1897 and later he studied civil engineering at the City and Guilds of London Institute.
During World War I he spent a year as an officer of the Royal Engineers on the western front.
He was involved in designing eight anti-submarine towers named M-N next to Dover Strait.
He is best known for his forts designed on the Thames estuary during World War II.
After the war he has founded his own company, G Maunsell & Partners which used prestressed concrete for many structures.
He died in 1961 at the age of 76.