Protagoras of Abdera (l. c. 485-415 BCE) is considered the greatest of the Sophists of ancient Greece and the first philosopher in the West to promote Subjectivism, arguing that interpretation of any given experience, or anything whatsoever, is relative to the individual. This same view was earlier promoted by the Chinese relativist philosopher Teng Shih (l. c. 500 BCE).

More about: Protagoras


  • c. 485 BCE - c. 415 BCE
    Life of the Sophist Protagoras of Abdera; claim that "man is the measure of all things".
  • 440 BCE
    The sophist Protagoras of Abdera, claiming 'man is the measure of all things', visits Athens.