Anybody can decide a question if only a single principle is in controversy.

Frankfurter's ideological opponents would leave the room or read their mail while he lectured. Roosevelt requested that Karski meet with Justice Frankfurter as it would be of vital concern for Frankfurter himself a Jew to be apprised of the horrors befalling his fellow Jews in Poland. He also examined the copper industry in Arizona where industry bosses solved industrial relations problems by having more than 1000 strikers forcibly deported to New Mexico.

Felix Frankfurter (November 15 1882 – February 22 1965) was an Associate Justice of the United States Supreme Court. He graduated from Harvard Law School and was active politically helping to found the American Civil Liberties Union. He was a friend and adviser of President Franklin Roosevelt who appointed him to the Supreme Court in 1939.