Jack Sits for Comprehensive Exams for PhDMarch 2, 1964 – March 3, 1964EducationSan Francisco, CA.Deduced from comments by Jack in letter to Ed Clowney on March 26, 1964, CJM Archives in St. Louis, Mo.← March 1964: Jack Meets Edmund Clowney in PhiladelphiaMarch 11, 1964: First Meeting of the Presbytery of the West Coast, OPC held →