Maximilian Maria Kolbe (born Rajmund Kolbe; ; 8 January 1894 – 14 August 1941), venerated as Saint Maximilian Kolbe, was a Polish Catholic priest and Conventual Franciscan friar who volunteered to die in place of a stranger in the German death camp of Auschwitz, located in German-occupied Poland during World War II. He had been active in promoting the veneration of the Immaculate Virgin Mary, founding and supervising the monastery of Niepokalanów near Warsaw, operating an amateur-radio station (SP3RN), and founding or running several other organizations and publications.