In 1947, upon invitation from Igor Kurchatov, Zavoisky moved from Kazan to Moscow, to work in the institute of the Academy of Sciences of the Soviet Union which later became the Institute of Atomic Energy (IAE).
In 1947, Zavoisky was persuaded by Igor Kurchatov to relocate from Kazan to Moscow, where he began working in the institute that would later evolve into the Institute of Atomic Energy (IAE).