E.C. Tubb

Prolific science-fiction author -- via the British Science Fiction Association. His output is prodigious -- more than 140 novels and more than 230 short stories and novellas. Here's one list of his pen names --
Chuck Adams, Stuart Allen, Anthony Armstrong, Ted Bain, Alice Beecham, Anthony Blake, L. T. Bronson, Raymond L. Burton, Julian Carey, Morley Carpenter, Judy Cary, Julian Cary, J. F. Clarkson, Norman Dale, Robert D. Ennis, James Evans, James Farrow, James R. Fenner, R. H. Godfrey, Charles S. Graham, Charles Grey, Volsted Gridban, Alan Guthrie, D. W. R. Hill, George Holt, Gill Hunt, Alan Innes, E. F. Jackson, Gordon Kent, Gregory Kern, King Lang, Mike Lantry, P. Lawrence, Chet Lawson, Nigel Lloyd, Robert Lloyd, Frank T. Lomas, Ron Lowman, Arthur Maclean, Carl Maddox, Philip Martyn, John Mason, Carl Moulton, L. C. Powers, M. L. Powers, Edward Richards, Paul Schofield, John Seabright, Brian Shaw, Roy Sheldon, John Stevens, Eric Storm, Andrew Sutton, Edward Thomson, Ken Wainwright, Frank Weight, Douglas West, Eric Wilding and Frank Winnard.