Aleksander Bilimović, professor of political economy and statistics at the University of Kiev, emigrated in 1920 to the Kingdom of Serbs, Croats and Slovenes and was given the post of regular professor for national economy at the Pravna fakulteta of the University in Ljubljana. Beside pedagogical work, he wrote in the following years a series of excellent treatises that have been published in domestic and foreign academic publications, and with which he contributed to the assertion of the then young Ljubljana University in international space. After 25 years of living in Slovenia, Bilimović withdrew from the coming social changes to the West. His contribution to the Slovene economical thought remained after World War II generally overlooked. In the article, the stress is along the description of Bilimović's life and work in Ljubljana above aH on the description of some principal characteristics of his comprehensive scientific work, published in the Ljubljana period.