W. H. Marchant
1881 Born in London.
1904 Commenced experimental work in connection with wireless telegraphy.
1906-11 Served with the De Forest Syndicate, Poulsen Company, and Lepel and Anglo-German wireless telegraphy companies, being chiefly engaged in experimental work.
1911 Focussed mainly on literary work and teaching.
By 1925 In the service of the Eastern Telegraph Co., at their London training centre.