He was appointed professor at Warsaw University in 1947, a member of the Polish Academy of Sciences in 1952, and in 1955 he became the first director of the  in Świerk, Otwock County near Warsaw, now known as the National Centre for Nuclear Research.
In 1947, he was appointed professor at Warsaw University, a member of the Polish Academy of Sciences by 1952, and two years later, he became the first leader of the research facility in Świerk, Otwock County near Warsaw, which is now known as the National Centre for Nuclear Research.