[3] Hagedorn became a leading figure in the Manchester art scene showing regularly at the Society of Modern Painters in the city, and also, from 1913 onwards, at the Royal Academy and the New English Art Club.
[3][5] Hagedorn provided illustrations for the Empire Marketing Board, Shell and the Radio Times[6] and also worked as a part-time art teacher at Epsom School of Art.
[8] During the war, Hagedorn also worked for the Recording Britain project, producing views of Middlesex and Derbyshire, where he lived for a time.
[4] Hagedorn's early works show Cubist and Futurist influences, although he later adopted a more conventional style.
[4][3] Some of his works are in the collections of Manchester City Art Gallery,[1] the Victoria and Albert Museum,[1] The Wellcome Library,[9] the Imperial War Museum,[8] and the United Kingdom Government Art Collection holds three examples.