Appendix 1 gives a list of Sheffield Sub-Centre Chairmen with their
affiliations at the time they were chairmen, although in some cases reliance
has been placed on positions they held some years after their chairmanship
in the hope it had not changed.
| 1920-21 | S.E. Fedden* | Engineer & Manager -Sheffield Corporation Electricity Department |
| 1921-22 | S.E. Fedden | Engineer & Manager -Sheffield Corporation Electricity Department |
| 1922-23 | H. West | Cyclops Steel and Iron Works, Sheffield |
| 1923-24 | E. Cross* | Manager - Rotherham Corporation Electricity Department |
| 1924-25 | D.G. Jones | Chief Electrical Engineer - John Brown Ltd (1925), Later Chief Engineer Thomas Firth & John Brown Ltd |
| 1925-26 | W.F. Mylan | Branch office Manager, Sheffield - The British Westinghouse Electric and Manufacturing Co Ltd (in 1917). MD - Mylan & Smith (Engineers) Sheffield |
| 1926-27 | G.H. Nelson* | Chief Engineer & Manager - Metropolitan-Vickers Co Ltd, Sheffield |
| 1927-28 | H.E. Yerbury* | Engineer & Manager - Sheffield Corporation Tramways |
| 1928-29 | R.G. Ward* | Chief Electrical Engineer - John Brown & Co, Sheffield |
| 1929-30 | H.W. Walker | ? |
| 1930-31 | W.E. Burnand* | Proprietor of WC Burnand Ltd. Electrical Equipment Manufacturers & Repairers |
| 1931-32 | I. Scott Mackenzie | Director & Chief Electrical Engineer - The Staveley Coal & Iron Co |
| 1932-33 | L.H. Crowther | ? |
| 1933-34 | E. Morgan* | General Manager - Sheffield Corporation Electric Supply Department |
| 1934-35 | D.H. Davies | Borough Electrical Engineer, Corporation Electricity Dept. Chesterfield |
| 1935-36 | F. Gilberthorpe | Chief Electrical Engineer - (Subsequently Chief Engineer) Kaiser Ellison Ltd, Steelmakers & Forgemasters |
| 1936-37 | A.R. Chaytor | ? |
| 1937-38 | W. Fordham Cooper | H.M. Electrical Inspector of Factories - Sheffield |
| 1938-39 | H.W. Kefford | Electrical Engineer, English Electric Co., Sheffield |
| 1939-40 | F.S. Naylor | Chief Electrical Engineer - Thomas Firth & John Brown Ltd |
| 1940-41 | F.C. Clarke* | Principal - Rotherham Technical College |
| 1941-42 | F.C. Clarke* | Principal - Rotherham Technical College |
| 1942-43 | Dr. A.W. Ashton | Lecturer in the Electrical Department - Rotherham Technical College |
| 1943-44 | G.H. Fletcher* | Chief Engineer and Manager - Metropolitan-Vickers Electrical Co Ltd, Sheffield |
| 1944-45 | R.A.H. Sutcliffe | Head of Electrical Engineering Department - Rotherham Technical College |
| 1945-46 | A. Haddock* | Distribution Engineer - Sheffield Corporation Electricity Department |
| 1946-47 | W.T. Wardale* | Engineer & Manager - Sheffield Corporation Tramways Department |
| 1947-48 | J.A. Walker* | Sales Engineer (Sheffield Office Manager) - Metropolitan Vickers Ltd |
| 1948-49 | W.W. Grimes* | Manager (Chesterfield Area) East Midland Electricity Board |
| 1949-50 | J.R. Phillips* | Chief Electrical Engineer - Hadfields, East Hecla works |
| 1950-51 | D. Harrison* | Senior Lecturer - Sheffield University |
| 1951-52 | J.E. Pegg | Sales Engineer - Lancashire Dynamo Ltd & Geo Ellison Ltd & Brookhirst Igranic Ltd |
| 1952-53 | F. Seddon* | Deputy Area Engineer - Sheffield Sub Area, YEB |
| 1953-54 | W.E.B. Nettleton* | Area Engineer - Sheffield Sub Area, YEB |
| 1954-55 | F.L. Parkin* | Chief Electrical Engineer - Steel Peach & Tozer Ltd (Templeborough) |
| 1955-56 | W. Rewcastle* | Deputy Area Engineer - Sheffield Sub Area, YEB |
| 1956-57 | G.G. Nicholson* | Production Electrical Engineer - Davy United Ltd, Sheffield |
| 1957-58 | Dr O.I. Butler* | Senior Lecturer - Electrical Engineering Dept, University of Sheffield |
| 1958-59 | Dr. F.A. Benson* | Senior Lecturer - Electrical Engineering Dept, University of Sheffield |
| 1959-60 | F.G. Tyack* | Industrial Magnet Sales Manager - James Neill (Sheffield) Ltd |
| 1960-61 | E.J. Lilleker* | Director - Lilleker Bros, Electrical Contractors, Rotherham |
| 1961-62 | G.L. Mason* | Senior Assistant Engineer, Operation and Maintenance - Sheffield Sub-Area, YEB |
| 1962-63 | J.W. Spooner* | Area Engineer - Sheffield Post Office Telephones |
| 1963-64 | Prof. A.L. Cullen* | Professor - Electrical Engineering Dept, University of Sheffield |
| 1964-65 | J.E. Caldwell* | Senior Assistant Engineer - Meters Test and Protection, Sheffield Sub Area, YEB |
| 1965-66 | K.V.A. Lilley* | Senior Assistant Engineer - Distribution Design, Sheffield Sub-Area, YEB |
| 1966-67 | L.C. Bunce* | Chief Electrical Engineer - Samuel Fox & Co, Stocksbridge |
| 1967-68 | N. Llewellyn* | Station Superintendent - Thorpe Marsh Power Station, CEGB |
| 1968-69 | Dr. J. Allison* | Senior Lecturer - Department of Electrical & Electronic Engineering, University of Sheffield |
| 1969-70 | K.W.G. Bolton* | Senior Assistant Engineer - Meters Test & Protection, Sheffield Sub-Area, YEB |
| 1970-71 | J.R. Barratt* | Assistant Electrical Engineer - Steel Peach & Tozer Ltd (Templeborough) |
| 1971-72 | R.H. Thompson* | General Manager - Sheffield, Post Office Telephones |
| 1972-73 | M. Holland* | Chief Engineer - George Robson & Co Ltd |
| 1973-74 | P.G. Thompson* | Senior Assistant Engineer - Distribution Design, Sheffield Sub Area, YEB |
| 1974-75 | F. Brown* | Chief Electrical Engineer - Shepcote Lane Rolling Mills |
| 1975-76 | K. Holling* | Head of Electrical & Electronic Department - Chesterfield Technical College |
| 1976-77 | A.W.Scott* | Area Manager, Yorkshire and Humberside for Reyrolle Parsons. |