He was persecuted by the authorities for political reasons and was sent to a concentration camp (1949–51); he was periodically jailed thereafter and was exiled from Sofia.
He got a living as a labourer, played the piano in restaurants and taught Latin and Ancient Greek.
Some of his private pupils include pianists Vassil Genov and Ivan Yanakov (pianist) After the fall of the communist regime at the end of the 1980s he joined the staff of the State Academy of Music in Sofia and was made professor extraordinary (1997).
His professionally crafted scores are distinguished by an individual style, rigorous structural clarity, dense textures and complex polyphony.
He authored books,[2] studies and over 70 unpublished research works in the field of philosophy, aesthetics, theology, art history, political sciences, but also on problems related to music interpretation.