"Cognitive vs. Material Realism: A Contribution to the Understanding of 'Critique' and Kant's Concept" - this book by Leo Polak is an important contribution to the philosophy of science. The author explores the concepts of cognition and material realism, analyzing them in the context of critical thinking and Kantian philosophy. Turning to the problems of modern science and philosophical concepts, Polak offers a new perspective on the relationship between knowledge and reality. This book opens new horizons for understanding the nature of scientific knowledge and its relationship with philosophical ideas about the world.