the 50 th anniversary of nuclear fission discovery. Zelenskij,-V.F.; Inopin,-E.V. A contribution is considered of the Kharkov Physical and Technical Institute (KhPTI) workers to the investigation of the possibility of atomic nucleus splitting by means of artificially accelerated particles as well as to the development and construction of charged particle accelerators of different types. Studies on the investigation into the nuclear structure at the KhPTI accelerators are reviewed. At KhPTI multidirectional investigations into nuclear physics and accelerators, solid-state physics and materials technology, plasma physics and controlled thermonuclear fusion are carried on. The KhPTI accelerators are widely applied in the national economy.
