Under United States federal law, a U.S. citizen or national may voluntarily and intentionally give up that status and become an alien with respect to the United States. Relinquishment is distinct from denaturalization, which in U.S. law refers solely to cancellation of illegally procured naturalization.
The State Department now requires that a relinquisher seeking to obtain a Certificate of Loss of Nationality attend an in-person interview at a U.S. diplomatic mission abroad, such as the U.S. Consulate in Amsterdam (pictured), to assess the person's intent towards U.S. citizenship.
Mike Gogulski voluntarily gave up his U.S. citizenship without acquiring any other.
Valdas Adamkus renounced U.S. citizenship to run for president of Lithuania, and was elected to the position twice.
Oskar R. Lange
Videos
Oskar Ryszard Lange was a Polish economist and diplomat. He is best known for advocating the use of market pricing tools in socialist systems and providing a model of market socialism. He responded to the economic calculation problem proposed by Ludwig von Mises and Friedrich Hayek by claiming that managers in a centrally-planned economy would be able to monitor supply and demand through increases and declines in inventories of goods, and advocated the nationalization of major industries. During his stay in the United States, Lange was an academic teacher and researcher in mathematical economics. Later in socialist Poland, he was a member of the Central Committee of the Polish United Workers' Party.
Tomaszów Mazowiecki, Farbiarska 7 Street - place of birth
I Lyceum in Tomaszów Mazowiecki, Lange's secondary school
Oskar Lange monument at the Wrocław University of Economics