Final answer:
Chief Justice John Marshall defined a corporation as an artificial being, invisible, intangible, and existing only in the contemplation of the law in the case Dartmouth College v. Woodward in 1819.
Step-by-step explanation:
The quote, "an artificial being, invisible, intangible, and existing only in the contemplation of the law," is attributed to Chief Justice John Marshall in the landmark Supreme Court case Dartmouth College v. Woodward in 1819.