Hans Jürgen Eysenck was a German

Germans

The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

-British

British people

The British are citizens of the United Kingdom, of the Isle of Man, any of the Channel Islands, or of any of the British overseas territories, and their descendants...

 psychologist

Psychologist

Psychologist is a professional or academic title used by individuals who are either:* Clinical professionals who work with patients in a variety of therapeutic contexts .* Scientists conducting psychological research or teaching psychology in a college...

 who spent most of his career in Britain, best remembered for his work on intelligence

Intelligence

Intelligence has been defined in different ways, including the abilities for abstract thought, understanding, communication, reasoning, learning, planning, emotional intelligence and problem solving....

 and personality

Personality psychology

Personality psychology is a branch of psychology that studies personality and individual differences. Its areas of focus include:* Constructing a coherent picture of the individual and his or her major psychological processes...

, though he worked in a wide range of areas. At the time of his death, Eysenck was the living psychologist most frequently cited in science journals.
Hans Eysenck was born in Berlin, Germany, his mother a film star (Helga Molander

Helga Molander

Helga Molander, born as Ruth Werner on 19 March 1896 in Königshütte, Silesia, Germany , died in 1986, was a German actress and mother of Hans Eysenck.-Life:...

) and his father a nightclub entertainer, once voted 'handsomest man on the Baltic coast'.