text: A philosopher with this name from Apollonia modified Anaximenes' theory that air is the fundamental substance, claiming that it has intelligence, which humans gain by breathing.
full_question: A philosopher with this name from Apollonia modified Anaximenes' theory that air is the fundamental substance, claiming that it has intelligence, which humans gain by breathing. A 3rd century biographer with this name wrote Lives and Opinions of Eminent Philosophers. A thinker with this name claimed to be "a citizen of the world" after being exiled for defacing his city's currency. A man with this name refuted Plato's definition of a human as a bipedal, featherless animal by plucking a chicken. This is the name of a man who walked with a lantern in search of "one honest man." For 10 points, give the name of a Cynic philosopher from Sinope.
first_sentence: A philosopher with this name from Apollonia modified Anaximenes' theory that air is the fundamental substance, claiming that it has intelligence, which humans gain by breathing.
raw_answer: Diogenes [or Diogenes of Sinope; or Diogenes of Apollonia; or Diogenes Laertius]