to be found in the meeting-house. The pulpit, often raised so as only to be accessible by a staircase, was the centerpiece of the building. But these were not the standard characteristics of the mainline Presbyterians. These were more of the wave of Presbyterians that were influenced by the Puritans. In the late 19th century a gradual shift began to occur. Prosperous congregations built imposing churches, such as Fourth Presbyterian Church of Chicago, Brick Presbyterian Church in New York City, Shadyside Presbyterian Church in Pennsylvania, St Stephen Presbyterian in Fort Worth, Texas, and many others. Usually a Presbyterian church will not have statues of saints, nor the ornate altar more typical of a Roman Catholic church. Instead, there is a "communion table," usually on the same level as the congregation, and sometimes elevated similar to an altar, however surrounded by the chancel. There may be a rail between the communion table and the chancel behind it, which may contain a more decorative altar-type table, choir loft, or choir stalls, lectern and clergy area. The altar is called the communion table, and the altar area is called the chancel by Presbyterians. In Presbyterian, and in Reformed churches, there may be an altar cross, either on the communion table or on a table in the chancel. By using the "empty" cross, or cross of the Westminster/Celtic cross, Presbyterians emphasize the resurrection and that Christ is not continually dying, but died once and is alive for all eternity. Quite a few Presbyterian church buildings are decorated with a cross, that has a circle around the center, or Celtic cross. This not only emphasizes the resurrection, but also acknowledges historical aspects of Presbyterianism. A baptismal font will be located either at the entrance or near the chancel area. Presbyterian architecture generally makes significant use of symbolism. One may also find decorative and ornate stained glass windows depicting scenes from the Bible. Some Presbyterian churches will also have ornate statues of Christ or graven scenes from the Last Supper located behind the Chancel. St. Giles' Cathedral in Scotland has a crucifix next to an ornate elevated communion table that hangs alongside. The image of Christ is more of a faint image, with a more modern design. By region Europe Scotland John Knox (1505–1572), a Scot who had spent time studying under Calvin in Geneva, returned to Scotland and urged his countrymen to reform the Church