The Rev. Nathan Madison, newly elected as pastor of New Prospect Baptist Church, 1425 W. Delaware Ave., will be formally installed at a service Sunday at 6 p.m. at the church. A week later, June 9 at 4 p.m., the church celebrates its 48th anniversary, with guests the Rev. Stanley Clark of United Vision Baptist Church and that congregation. Then at 4 p.m. on June 23, the anniversary concludes with the church hosting the congregation and minister of Beulah Baptist Church.