Acad. Stoyan Romanski (Director of the Institute 1942-1951)
Acad. Vladimir Georgiev (Director of the Institute 1951-1957)
Acad. Valentin Stankov (Director of the Institute 1977-1979)
Corresponding Members
Cor. Mem. Prof. Lyubomir Andreychin (Director of the Institute 1957-1975)
Cor. Mem. Prof. Kiril Mirchev
Cor. Mem. Prof. Ivan Lekov
Cor. Mem. Prof. Dora Ivanova-Mircheva (Director of the Institute 1979-1989)
Cor. Mem. Prof. Todor Boyadzhiev (Director of the Institute 1989-1992)
Cor. Mem. Dr.Sci. Emiliya Pernishka
Cor. Mem. Dr.Sci. Mariya Popova