Leadership

• Sigmund Freud (born 1856, died 1939)

  Austrian psychiatrist.

  • Leading explorer of the human psyche (see list of People who overthrew the inherited ideas about logic, language, learning, mathematics, economics, space and time of the old century)

Science and Philosophy

• Sigmund Freud (born 1856, died 1939)

  Austrian psychiatrist.

  • Founded psychoanalysis, which treats mental illness through talking about it (see list of Medical Practitioners)
• Sigmund Jahn

  Soviet cosmonaut.

  • Cosmonaut on Soyuz 31 (1978) (see list of Spaceflight Veterans)

Stage and Screen

• Sigmund Lubin
  • Star on Hollywood Walk of Fame for Motion Picture (see list of Movie Personalities with Stars in the Hollywood Walk of Fame)