Bulgarian Institute of Solid State Physics
Bulgarian Academy of Sciences














Union of the Physicists in Bulgaria


Created 2.6.2012
Updated 18.3.2022

(01.12.1918 – 10.08.1970)


Born in София


He studied High Technical School in Berlin (1943) and graduated mathematics from the Sofia University (1947)

He had PhD from the Russian Academy of Sciences (1962) and became D.Sc. in the Moscow State University (1963)

His specialisation in theoretical physics was in Dubna (1964)

Scientific Research:

He has results in theory of elementary particles and nuclear physics, theory of relativity and theory of shuttles.

Professional Experiance:

He was appointed in the Bulgarian Academy of Sciences Institute of Physics (1955–1961) and became professor there (1961–1970)

Teaching activities

In Varna he was Associate Professor (1948–1953) and professor on theoretical mechanics (1953–1955).


Kiril and Methodius medal, second degree (1966)

100 years of BAS medal (1969)


  1. Nikola St. Kalitzin, Spinor Fields, p. 103-116

  2. Nikola St. Kalitzin, Uber Einige Exakte Losungen der Mehrdimensionalen Gravitationstheorie, Wlche Anwendung in der Astronomie und in der Physik finden konnen, Известия на секцията по астрономия, т. 1, БАН, б.д. 1 оптечатък

  3. N. Kalitzin, Elektromagnetismus und Gravitation, Доклади на БАН, т. 4, кн. 2, с. 13-16, 1951, 2 отпечатъка

  4. N. Kalitzin (Physikalisches Institut, BAS), Uber die Wechselwirkung des Nukleons mit dem Mesonfeld, Acta Physica, Academie Scientiarum Hungaricae, 3(1) 45-54 (1953), (3 бр)

  5. N. Kalitzin, Uber Eine Neue Kerntheorie, Acta Physica, Academie Scientiarum Hungaricae, 6(1) 1-13 (1956) 2 отпечатъка

  6. N. Kalitzin, G. Kalitzin, Uber eine Moglichkeit den schub von Raketen zu vergrossern, Astribaytuca Acta, 6(1) 75-77 (1960)

  7. N. Kalitzin, Weltraumfluge von Ziolkoedki bis Gagarin, Leipzig, 1961

  8. N. Kalitzin, Eine Verallgemeinerung der Gleichungen der Elektrodynamik, Доклади на БАН, т. 4, кн. 2, с. 17-20 (1961)

  9. N. Kalitzin, Une derivation exacte de l'equation independante du temps de schrodinger de la theorie de la stabilite des mouvements dans la mechanique classique, Journal de Physique at Radium, t. 22, 821-823 (1961)

  10. N. Kalitzin, Dynamik der relativistischen raketen und einiger astronomischen objekte, I Band, Bulgarische Akademie der Wissenschaften, Physikalisches Institut mit experimenteller Atomforschungsstelle, Sofia, 1963

  11. N. Kalitzin, Fragen der Heutigen Astronomie und Astronautik, Nauka i Izkustvo, Sofia (1963)

  12. N. Kalitzin, On some discrepancies between general relativity and astronomy, International Conference on Relativistic Theories of Gravitation, v. 2, London, July 1965, p. 1-4

  13. N. Kalitzin, The CP invariance, the paritino and the spurion, Доклади на БАН, т. 18(7) с. 627-629 (1965)

  14. N. Kalitzin, On an exact solution of Einstein's gravotatopma; Equations and its application to groups of galaxies and quasi-stellar radio sources, Доклади на БАН, т. 18, кн. 6, с. 505-508 (1965) 3 отпечатъка

  15. N. Kalitzin, Uber Eine Mehrdimensionale Gravitationstheorie, Известия на Физическия институт с АНЕБ, т. 15, с. 207, 1966, 2 отпечатъка

  16. N. Kalitzin, Memoires de la Societe Royale des Sciences de Liege (15) 81 (1967)

  17. N. Kalitzin, The masses of elementary particles and the multitemporal theory of relativity, Вопросы теории элементарных частиц, Труды международного семинара по теории элементарных частиц, Варна, 6-19 мая 1968, с. 536-545

  18. N. Kalitzin, Известия на Физическия институт с АНЕБ, т. 17, с. 117, с. 141, с. 233, 1968

  19. N. Kalitsin, Multitemporal Teory of relativity, BAS, Sofia (1975)


  1. Калицин Никола Стилиянов, 100 година БАН (1869-1969), том 3, София, БАН (1969) с. 279-283

  2. Л. Спасов, Г. Камишева, Милко Борисов за себе си и другите за него, АИ "Проф. М. Дринов", София (2008) с. 199

  3. Професор Никола Калицин (1918-1970), 40 години Институт за ядрени изследвания и ядрена енергетика, БАН (2012) 154-155