In1950 he obtained his master’s degree and in 1952 after only two years, his doctor degree as pupil of professor Wojciech Rubinowicz, who is one of the most prominent Polish theoretical physicists. And then his Habilitation in 1957.
He initiated the research of the theory of elementary particles at the University of Warsaw. He founded 1960 the Department of the Theory of Elementary Particles, and directed it till his retirement. Together with Jan Rzewuski he gave the formula of relativistic quantum mechanics of some substances. He proposed the hypothesis of compound quarks. He created the model of three generations of leptons and quarks.