Andy Cowley (29th March 1948 - 23rd April 2012, sadly missed) for helpful discussions and for assisting me with
references and donations of laboratory equipment.
Rodger Rosenbaum for
reference materials, critical review, and contributions to be found in the documents above. Bob Weaver for reference materials and contributions, particularly in the discussion of computational
methods and for writing and making available many useful functions and algorithms. Dr Mark Kennedy for interesting discussions, critical review, and documents (such as those
relating to induction heating) that I would not otherwise have studied. Dr Richard Craven, for
introducing me to the work of Peter Vizmuller (inventor of the
folded helical resonator). See R M Craven, PhD 2014.