This book makes available for the first time in English Klaus Holzkamp’s ground-breaking book on learning Lernen: Subjektwissenschaftliche Grundlegung. It offers fresh perspectives for today’s international debates about how to re-imagine learning and education for future society. Current debates in psychology, educational sciences as well educational politics go beyond the transmission model of education and the traditional short-cut between teaching and learning and are oriented either toward student-centred learning or world-centred education. Holzkamp’s book is the first to systematically bridge these approaches and offer a rigorous subject- and world-centred theory of learning.Divided into 2 volumes, this book presents the first half of the original in which Holzkamp outlines his psychological theory of learning; the need for this understanding within education and how it differs from conventional behaviourist, cognitivist and action-theory-based learning models. This book will appeal to students, psychologists and practitioners with an interest in educational psychology, critical psychology and educational science.