The document summarizes the 1803 Supreme Court case Marbury v. Madison. It outlines the key people involved - William Marbury, James Madison, Thomas Jefferson, and John Marshall. It describes how Marbury was denied a judicial commission by Jefferson and Madison and sued, leading Chief Justice Marshall to establish the principle of judicial review, granting the Supreme Court the power to declare laws unconstitutional. The document also includes opinions that the case was unnecessary and Marbury should have received his appointed position.