 He was later taken prisoner at Cambrai, France and sent to a prisoner of war camp.After the war he returned to his studies and attended the Royal College of Art between 1919 and 1920 where Édouard Lantéri was one of his instructors 

From 1930 until 1941, when he resigned, Marsden was a member of the Art Workers Guild.From 1930 to 1941 he was a member of the council of the Royal Society of British Sculptors; He became a Fellow of the Society in 1938 and remained so until 1956.