Book excerpt: During the last forty years, Hans Eysenck's brilliant contribution to knowledge has beenwell-known world-wide. From its early transmission, his work has not been without itscritics. Naturally, criticisms persist, although his work continues to be frequentlyacknowledged with great admiration in the channels of psychology. With such prolificwork, it would seem justified to consider the discrepancies, the omissions, together withthe various interpretations which have been and are currently being highlighted.