Question: What is the name of the American Presbyterian minister whose memorial is located in Alton City Cemetery in Alton, Illinois?
Sentence (from "Lovejoy State Memorial"): The memorial consists of one tall center column topped with a bronze winged figure blowing a trumpet, two shorter columns with bronze eagles, bronze reliefs on each side of the base, and markers on the steps with information about Owen Lovejoy.
Relevant evidence: No