Bogdan Castle Maglich (also spelled Maglic or Maglić) (August 5, 1928, Sombor, Yugoslavia – November 25, 2017, Newport Beach, California, US) was a Serbian experimental nuclear physicist and the leading advocate of a purported non-radioactive aneutronic fusion energy source. Maglich built four models of Migma, devices producing fusion of deuterium atoms in colliding ion beams.