Arthur H. Nilson ; with contributions by David Darwin. Bernard W. Pipkin, with contributions by D.D. Trent. Hans J. Eysenck ; with contributions by David W. Fulker. [edited by] Cheryl M. Albers ; with contributions by David Newman. Frank K. Reilly ; with contributions by Don M. Chance. James A. Anderson ; with contributions by Tom Head. Robert Q. Riley ; with contributions by Dr. Wonshik Chee. edited by P. Bradshaw ; with contributions by P. Bradshaw ... editor, M. Gordon ; with contributions by H. Bader ... [et al.] Stephen Marshak ; with contributions by Donald Prothero.