Witold Aulich, a professor of the Institute of Technology in Lvov, was one of the most interesting personages in Polish technological thought in the inter-war period. He specialized in construction of turbines, science of mechanics, typography and theory of mechanisms. He was also interested in methodology of creating optimum conditions for building machines and also in economic issues that were firmly connected with the discussed domain. Aulich propagated new trends and research methods in the field of technological sciences and engineers' education, and was a precursor of several branches and interdisciplinary solutions. He backed up the idea of humanizing the education of engineers and improving on the activity of technologists in the field of economic sciences and within social and economic activity. In the article were discussed in short all available and published before World War II works of Witold Aulich. There was also presented a short biography of the author together with a list of his works and speeches. A description of the scientific output was divided in several subjects as, for example, theory of constructions, theory of mechanisms, educational and didactic conceptions, economic and social issues, or interdisciplinary solutions. There were also revealed main peculiarities of Aulich's output that were important for the development of Polish technological and economic thought in past and for original and interesting modern interpretations.