Henry Tindell is a chartered engineer, with a thirty-five year career behind him. He gained a double first in Metallurgy and Mechanical Engineering from the University of Manchester, followed by an M.Sc and Ph.D for work on metal-matrix composites for orthopaedic surgery. Now semi-retired, he works as a consultant and home workshop-based engineer. Dave Cooper undertook an apprenticeship as a moulder coremaker and has worked in both ferrous and non-ferrous foundries, making items ranging from bronze propellers to cast iron lathe beds. He has always been interested in steam and is currently working on making a beam engine, making the pattern moulds and cores himself, before undertaking the casting, machining and assembly.