Background
Kalvachev, Yuri Angelov was born on December 12, 1963 in Gotse Delchev, Bulgaria. Son of Angel Nickolov and Mary Stoyanova Kalvachev.
Kalvachev, Yuri Angelov was born on December 12, 1963 in Gotse Delchev, Bulgaria. Son of Angel Nickolov and Mary Stoyanova Kalvachev.
Master of Science, U. Sofia, 1988; Doctor of Philosophy, U. Sofia, 1992.
Research fellow, Bulgarian Academy Sciences, since 1992.
Member International Zeolitic Association, Bulgarian Catalitic Society.