Final answer:
Old Colony Trust Co. v. Commissioner is a landmark Supreme Court case that involves taxation of corporate dividends received by a shareholder.
Step-by-step explanation:
Old Colony Trust Co. v. Commissioner is a legal case that falls under the subject of Law. It is a landmark Supreme Court case that involves taxation of corporate dividends received by a shareholder. In this case, the Supreme Court ruled that corporate dividends received by a shareholder should be subject to the same tax rates as ordinary income, rather than being treated as capital gains.