“Eureka” which is Greek for “I have found (it)”, was uttered by which inventor?

So he found out how to calculate the volume of the royal jewels when his own family jewels displaced the bath water?

three western states, utah. Nevada and California have towns named Eureka. due to the rich ore in them thar places!

(I don't want to be too negative but ...) a common failing of high school science is that mass, weight and density are not well understood by students.

"Eureka" is also the motto of California, only that eureka refers to the finding of gold in the 1800s.

StinkyEagle, Sicily was a Greek colony making Archimedes a Greek in the same sense that thousands of American colonists were still English even though they were not living in England.

Lady Jane M, Actually, there are many more places than that named Eureka in America. They range from coast to coast, border with to border & everything in between in many states. Sometimes multiple places in the same state & even a college.

StinkyEagle, he was greek. Syracuse was a greek colony in Sicily. The language spoken was ancient greek. Eureka is a greek word. Read also the last paragraph in the description.

Aristole? Maybe Aristotle.