Missionary/Teacher/Chaplain. Wilma Cross has had an amazing, long-term, courageous and effective ministry among the prison population of Chile, South America. In 1972, she went to Chile with World Presbyterian Missions and taught at the Evangelical Institute of Quillota. She developed the first Protestant ministry for women in Chilean prisons, the focus being on evangelizing women in prison, training volunteers for prison and mercy ministries, and operating a rehabilitation house for girls.