Gitta Sereny, Austrian-English historian, journalist, and author (born 1921)

Gitta Sereny, CBE was an Austrian-British biographer, historian, and investigative journalist who became known for her interviews and profiles of infamous figures, including Mary Bell, who was convicted in 1968 of killing two children when she herself was a child, and Franz Stangl, the commandant of the Treblinka extermination camp.