R. R. Rockingham Gill
Richard Rowan Rockingham Gill (born 1944, South Africa) was a lecturer of philosophy—in particular, logic—and is an author. Rockingham Gill received a MA from the University of St Andrews and has published variously in the Journal of Symbolic Logic, Archiv für mathematische Logik und Grundlagenforschung (Archive for Mathematical Logic and Basic Research) and other journals. He lectured at the University of Wales, Lampeter and is also the former head of the Department of Philosophy.
Richard Rowan Rockingham Gill (born 1944, South Africa) was a lecturer of philosophy—in particular, logic—and is an author.
Rockingham Gill received a MA from the University of St Andrews and has published variously in the Journal of Symbolic Logic, Archiv für mathematische Logik und Grundlagenforschung (Archive for Mathematical Logic and Basic Research) and other journals.
He lectured at the University of Wales, Lampeter and is also the former head of the Department of Philosophy.

Publications
Articles
The Craig-Lyndon Interpolation Theorem in 3-Valued Logic, The Journal of Symbolic Logic, Vol. 35, No. 2 (Jun., 1970),  pp. 230–238
Soviet Oil in the 1980s: Shortage or Surplus?, The RUSI Journal, Vol. 121, No. 2 (Jun., 1976), pp. 73–77
On Wandschneider's Way Out, Ratio, Vol. 19, No. 1 (1977), pp. 85–87
Frege on Infinite Axiom-Systems, Analysis, Vol. 47, No. 3 (Jun., 1987), pp. 173–175
The Logic of Common Nouns, Philosophical Books, Vol. 23, No. 4 (Feb., 2009), pp 243–244

Book reviews
Modern Logic—a survey. Historical, Philosophical, and Mathematical Aspects of Modern Logic and its Applications. Edited by Evandro Agazzi, Mind, New Series, Vol. 92, No. 366 (Apr., 1983), pp. 286–288

Books
Deducibility and Decidability, Routledge: 1990 (ISBN 0-415-00033-5)

Reviews
Hart, W.D., Deducibility and Decidability. By R. R. Rockingham Gill., The Philosophical Quarterly, Vol. 41, No. 163 (Apr., 1991), pp. 242–243
Visser, Albert, Deducibility and Decidability. By R. R. Rockingham Gill., The Journal of Symbolic Logic, Vol. 58, No. 3 (Sep., 1993), pp. 1080–1082