an Entity references as follows:
Vsevolod Konstantinovich Frederiks (or Fréedericksz; Russian: Всеволод Константинович Фредерикс pronounced [ˈvʲsʲɛvəɫəd fʲrʲɪdʲɪˈrʲiks]; April 29, 1885, Warsaw – January 6, 1944, Gorkiy) was a Russian/Soviet physicist. His primary contribution was in the field of liquid crystals. The Frederiks transition is named after him.