After three years of service in the U.S. Army, he continued his Graduate studies, obtaining a magisterial degree in Theatrical Directing from the School of Theatre Arts at the Art Institute of Chicago in 1961, and in 1964 a doctoral degree in Comparative Literature from the University of Wisconsin–Madison.
Nikola Tesla | Nikola Pašić | Nikola Gruevski | Nikola Šubić Zrinski | Nikola Altomanović | Belgrade Nikola Tesla Airport | Nikola Vujčić | Nikola Vaptsarov | Sveti Nikola | Nikola Tesla Museum | Nikola Zorić | Nikola Vučević | Nikola Tasić | Nikola Šubić Zrinski (opera) | Nikola Špirić | Nikola Sjekloća | Nikola Petković | Nikola Peković | Nikola Nobilo | Nikola Martinoski | Nikola Lončar | Nikola Lazarov | Nikola Kozlevo Municipality | Nikola Kozlevo | Nikola Karabatić | Nikola Jozić | Nikola & Fattiglapparna | Nikola Đuričko | Nikola Dragaš | Nikola Bošković |