found: The greenhouse delusion, c2002:t.p. (Vincent Gray; has a Ph.D degree in physical chemistry from Cambridge University)
found: Coal analysis in New Zealand, 1983t.p. (V.R. Gray)
found: Confessions of a climate sceptic, via National Library of New Zealand's Digital Archive, June 7, 2013:PDF document page 1 of first sequence (Vincent Gray) page 5 of first sequence (born in Camberwell Grove, Peckham, in South East London, March 24, 1922) page 1 of third sequence (Vincent Richard Gray)
found: New Zealand database, 7 June 2013(usage: Vincent Gray, Vincent R. Gray, V.R. Gray)