Correspondents include: R A Riseley; Louis Rittenberg, Universal Jewish Encyclopedia Inc; Dr Walter Ritter; Regina Robert; Dr David (Dai) Roberts; F Roberts; Dr John A Fraser Roberts; Dr R C Roberts; S C Roberts, University Press Cambridge; Prof Alan Robertson; Prof Forbes W Robertson; M Robins; Eric Robinson; Pamela L Robinson; Robert Robinson; Roy Robinson; Bette Robson; Dr Kathleen Rodgers (and J T Y Chou); C Ambrose Rogers; Dr G Rohrborn; Prof J Alan Roper; Prof Max S Rosenheim; D M Ross; Sir James Patterson Ross (inc E J Steadman); Jean Rostand; Prof J Rotblat; Dr S J Roth; Prof E Rothlin; T J Rothwell; F P Rowe; Rowett Research Unit, D May, Small Animal Unit; I W Rowlands; S Rowlands; Dr A B Roy; Royal Geographical Society; Royal Society of Edinburgh; Royal Society of Medicine, inc W M Henderson, Section of Comparative Medicine; Royal Veterinary College, Prof J A Laing. Lt-Col D A Green; Dr A M D'Rozario, Scientific Adviser, High Commission of India