The next teacher was Eldon Gleichman. He was installed August 27, 1962. He was a graduate of Concordia Teachers College, Seward, Nebraska. He taught in the two-room setting at Immanuel, Waterloo, and also served as Sunday School Superintendent. He resigned as school teacher at the end of the 1966-67 school term.
During the Vietnam conflict, Larry Schmeding, Leon Kohlmeier, John Neumeyer and James Stiening served their country.
Rev. Schmidt conducted a Bible Forum each winter. It offered present members an opportunity to grow in Christ and afforded an opportunity to prospective members of the church to become acquainted with the Bible and Lutheran teachings.
A Spiritual Life Mission was conducted early in 1963. A self-study committee gathered various statistics concerning the membership. It was found that although Wartburg is a rural area, only about half of the workers of the congregation were farmers. The median length of membership at Holy Cross was determined to be 25.5 years. The median age of members was 34.5. The committee recommended that the Voters' Assembly minutes be distributed to the members, purchase of new equipment and a revision of the constitution.
An extensive renovation of the church was done for the Centennial Anniversary of the stone church. The exterior walls were tuckpointed. The interior walls were replastered. A tile floor, carpeting and painting of the interior and exterior were also part of the renovation.
The centennial was observed on November 13, 1963 in three worship services. Rev. Paul E. Rohlfing of Red Bud officiated the 9:30am German service. Rev. Wilfrid M. Frick of Clyman, Wisconsin, son of former pastor Rev. Frick, preached at the 10:30am English service. Rev. Alfred M. Buls, Southern Illinois District president, presided over the 2:30pm rededication service. A supper for members and guests of Holy Cross followed this service.
The Train-Two program through which Bible study groups have been form, was initiated in 1965. Study groups, led by lay leaders, began meeting in homes.
At this time, many other synodical programs were also instituted about this time. Some of them were: