Joachim Prinz (1902-1988) was a German rabbi who was outspoken against Nazism and became an American Jewish leader. After his emigration to the United States, he became vice-chairman of the World Jewish Congress, an active member of the World Zionist Organization and a participant in the 1963 Civil Rights March on Washington Wikipedia
The definitive Wikipedia entry for Dr. Joachim Prinz. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Dr%2e_Joachim_Prinz