ART/Sherri Winston Millionaires of the Past MARY ELLEN PLEASANT—solemn housemaid to self-made millionaire. She worked as a housemaid and cookInvestments were her passionshe eavesdropped on high-flying white businessmen who never suspected a black woman could understand their important talks about money, property, valuation and stockMary Ellen and a partner bought laundries, dairies and even owned … Continue reading What do you think about that?