The President and Vice-President of the United States, Secretary of State, the Secretary of the Treasury, the Secretary of War, the Secretary of the Navy, the Postmaster-General, the Attorney-General, the Chief Justice, and the Commissioner of the Patent Office of the United States, and the mayor of the city of Washington, during the time for which they shall hold their respective offices, and such other persons as they may elect honorary members, be, and they are hereby, constituted an "establishment," by the name of the "Smithsonian Institution," for the increase and diffusion of knowledge among men; and by that name shall be known and have perpetual succession