Born in June 15, 1945 in L’viv. In 1952-1953 studied in L’viv musical school named after S.Krushelnycka. In 1963-1968 studied at L’viv Polytechnic Institute. After graduation, from 1974 worked as an assistant at the Department of Electrical and Radio Engineering of L’viv State University, later – as a junior researcher at the Physics and Mechanics Research Institute of the USSR Academy of Sciences. In 1981 defended dissertation “Research and Development of Impulse Proton-Resonance Humidity Analyzer of Building Materials and Other Dispersive Materials”. From 1982 – an Assistant Professor at the Department of Radioelectronic Devices and Systems of Lviv Polytechnic National University. Teaches the course “Digital Devices and Microprocessors”. The author of the educational manual “Digital Technology”, which was awarded the second prize by the Ministry of Education of Ukraine (1992). Since 2005 – Professor at the Department of Radio and Electronic Devices and Systems, Institute of Telecommunication, Radioelectronics and Electronics, L'viv Polytechnic National University. One of the organizers of Technical Committee for Scientific and Technical Terminology Standardization (TC 19, TC STTS) of Derzhstandart based at Lviv Polytechnic National University. Since 1992 – Secretary-in-Charge, since 1996 – Chairman of TC STTS, being appointed to the position by the joint order of Derzhstandart and Ministry of Education of Ukraine. A member of Scientific and Technical Terminology Commission of Derzhstandart of Ukraine. One of the initiators of international scientific conferences “Problems of Ukrainian Terminology” and creation of Ukrainian Terminological Society.

Scientific interests: applied radiospectroscopy, digital devices and systems optimal synthesis, Ukrainian scientific and technical terminology. Author of 120 scientific articles (38 of them – on terminology), 33 inventions (one license of Ukraine), an educational manual “Digital Technology” was awarded the second prize in 1991 by Ministry of Education of Ukraine, a co-author of 4 dictionaries, among them the first “Russian-Ukrainian and Ukrainian-Russian Radioelectronics Dictionary”, an editor-in-chief of terminological dictionaries of SlovoSvit series, a member of the editorial board of the Proceedings “The Problems of Ukrainian Terminology”, Chairman of TC STTS Permanent Scientific Seminar.

Other: since 1982 – a singer in “Orfej” Folk Chorus of Lviv Polytechnic; 1-st grade in chess playing.

e-mail: rytsar@polynet.lviv.ua , rytsar@org.lviv.net