In 1887 , Gunsaulus was called to the Plymouth Congregational Church in Chicago . At that time , the Plymouth Church had a mission Sunday school to which Joseph F. Armour , a noted and wealthy Chicago merchant , had contributed liberally . The mission , at 31st and State streets , had started in 1874 , just three years after the Great Chicago Fire . When Joseph F. Armour died in 1881 , he left $ 100,000 for his brother , Philip D. Armour , the wealthy meatpacker and grain merchant , to establish a Sunday school . Phillip D. Armour added another $ 100,000 of his own money and had the " Armour Mission " built
Great Chicago Fire
Great Chicago Fire
Frank W. Gunsaulus