||This bachelor thesis concentrates especially on contribution of J. A. Schumpeter to an economic theory. His biography is placed in the opening chapter, because events in his life had an important effect on Schumpeters economic thinking. The core of this thesis is dedicated to Schumpeters contribution on a field of economical science. Second and third chapter describe the role of enterpreneur and the theory of innovation. The thesis ends with the theory of creative destruction. The aim of this work is to acquaint reader with the important person of Schumpeter and to describe his most important economical judgements, ideas and outlooks.