328 U.S. 61 (1946) Cited 211 times
Holding that aliens "have no natural right to become citizens, but only that which is by statute conferred upon them. Because of the great value of the privileges conferred by naturalization, the statutes prescribing qualifications and governing procedure for admission are to be construed with definite purpose to favor and support the government. * * * [T]he law puts the burden upon every applicant to show by satisfactory evidence that he had the specified qualifications."