Dr. Vladivoj (Vlado) Valkovic, professor of physics, received his PhD in physics in 1964, with the thesis “Nuclear reactions with 14.4 MeV neutrons.? He was employed with the Institute Ruder Boskovic from 1961 until his retirement in 2004. During this time, he also worked at Rice University, Houston, Texas (1965-67, 1970-73, 1975-77, as a professor of physics) and International Atomic Energy Agency, Vienna, Austria (1989-1996, as a Head of Physics-Chemistry-Instrumentation Laboratory). Since 2004 he has been active through his companies VALKOVIC Consulting and SAGITTARIUS Consulting. The list of his professional collaborations includes: Institute Jozef Stefan, Ljubljana, Slovenia (Associated member); Istituto Nazionale di Fisica Nucleare Legnaro (Padova), Italy (1986-1996: Guest scientist and fellow); Free University, Amsterdam, Holland (1981-1982: Visiting professor); University of Rijeka, Rijeka, Croatia (1973-1975, 1977-1979: Professor of physics); University of Houston, Department of Physics Houston, Texa