By Mark Fox (Department of Physics and Astronomy, University of Sheffield)
By Arthur Rook, etc., R.H. Champion, J.L. Burton, F.J.G. Ebling (Emeritus Professor of Zoology, University of Sheffield)
By Richard. S. K. Barnes, etc., P. Calow (Professor of Zoology, University of Sheffield), P.J.W. Olive (Senior Lecturer in Zoology), M. Dove
