Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,878 pages of information and 225,311 images on early companies, their products and the people who designed and built them.
Educated at Worthing and Ealing.
1896 Apprenticed with Edison and Swan at Ponders End
1898 Continued his apprenticeship with Messrs Spagnoletti at Shepherds Bush
1901 Served in South African War
1902 Trained at Finsbury Technical College
1903 Married Kathleen Booth in Hampstead
1905 Started work at Crompton and Co at Chelmsford on electrical instrument design, and then lecturer at the works
1906 Associate of I Mech E
1908 Gained BSc (Engineering) London
1908 Associate of the Inst of Electrical Engineers
1909 Associate of the Inst of Civil Engineers; living in Chelmsford
WWI Wireless Officer, R.N.V.R. and R.F.C.
1916 Moved to Caversham, Reading
1917 Head of Section in Technical Department., Air Ministry. Achieved rank of Major
Post WWI rejoined Marconi's Wireless Telegraph Co.
1921 During the commuting journey to London, MacCullum met Byron G. Clark (who was living in Theale, near Reading, during the summer) and Mr Watsham (who owned an electrical contracting business in Covent Garden, London). This led to the Plessey Co gaining an order for some early crystal sets.
1922 Superintending Engineer, Marconi's Wireless Telegraph Co., Ltd.
1926 Living in Reading
1940 Acting Temporary Lieut-Commander RNVR. Served in the department of the director of air materiel, in the Admiralty,
1972 Died in Basingstoke