Fiswick v. United States

The Alien Registration Act of 1940, 54 Stat. 670, 8 U. S. C. § 451 et seq., required aliens, with certain exceptions, to register pursuant to regulations of the Commissioner of Immigration and Naturalization. Among the disclosures required was whether during the preceding five years the alien had been “affiliated with or active in (a member of, official of, a worker for) organizations, devoted in whole or in part to influencing or furthering the political activities, public relations, or public policy of a foreign government.”

Petitioners are German nationals who registered under the Act, the…