And by a genuine authority, I mean someone who clearly had the authority to speak for the Founders or Framers, who wasn't absolutely contradicted by them, or who was one of our top NATIONAL legal experts, at any time prior to 1850.
Already posted Bushrod Washington and Chief Justice John Marshall. Again, my two Supremes beat your English Lawyer. Posted Secretary of state James Monroe, Posted James Madison. Posted James Wilson, Posted Benjamin Franklin, and so on...
Not my fault that you have the attention span of a humming bird. (And brains to match.)