https://en.wikipedia.org/wiki/Shabbos_goy Notable examples include Maxim Gorky,[4] Floyd B. Olson,[6][7] Harry S. Truman,[8][9][10] Peter Hammill,[11] Colin Powell,[11][12][13] Mario Cuomo,[13] Martin Scorsese,[11] Ralph Branca (who did not know at the time that he was Jewish),[14] Tom Jones,[15] and the adolescent Elvis Presley,[11][16] all of whom assisted their Jewish neighbors in this way. Barack Obama[17]while in the Illinois senate, had a Jewish office neighbor, who told him what he could do.