Obviously, the concept of the entrepreneur is polyphonic and researchers in the field of entrepreneurship have not unanimously retained a consensual definition of this concept. This phenomenon has attracted so much the interest of social scientists in all disciplines such as economics, management, psychology, sociology, etc. However, the contribution of researchers in management science seems the most significant.
This article aims to highlight all schools of thought and different streams of research on entrepreneurship. Besides, we try to explore all different previous studies dealing with the entrepreneur as a research subject. Finally, we try to stress research opportunities in the field of entrepreneurship.