Period structures from the 1880s and survey markers adorn the New Philadelphia site near Barry, Illinois, in 2008. New Philadelphia, the first town founded by a Black man, has recently become the country’s 424th national park. (E. Jason Wambsgans / Chicago Tribune) Just when Free Frank McWorter is finally poised to take his place alongside Harriet Tubman and other pre-Civil War heroes, the nation is embroiled in an attack on African American history. Advertisement McWorter was the first Black man to found a town in America, New Philadelphia, which has just become the country’s 424th national park. McWorter was an...