The exclamation “Eureka!” is traditionally attributed to the ancient Greek mathematician and inventor Archimedes of Syracuse.

Quick Scoop

  • “Eureka” comes from Ancient Greek and means “I have found it.”
  • Ancient sources report that Archimedes shouted “Eureka! Eureka!” after stepping into a bath and noticing the water level rise, which helped him understand how to test whether a gold crown had been adulterated.
  • The story appears in later writers (like the Roman author Vitruvius), so historians treat it as a famous anecdote rather than a fully proven historical event, but Archimedes is still the person universally associated with the cry.

So, if you’re wondering “who said eureka” in the classic sense, the answer is: Archimedes.

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