David Ernst Oppenheim

David Ernst Oppenheim
Born(1881-04-20)20 April 1881
Died18 February 1943(1943-02-18) (aged 61)
EducationAkademisches Gymnasium
University of Vienna
RelativesPeter Singer (grandson)

David Ernst Oppenheim (German: [ˈɔpənhaɪm]; 20 April 1881 – 18 February 1943) was an Austrian educator and psychologist who collaborated with Sigmund Freud and Alfred Adler.