Diptych triptych form, with two outer panels that could be closed across the main central representation. They are one type of the multi-panel forms of painting known as "polyptychs". The diptych was a common format in Early Netherlandish painting and depicted subjects ranging from secular portraiture to religious personages and stories. Often a portrait and a Madonna and Child had a leaf each. It was especially popular in the 15th and 16th centuries. Painters such as Jan van Eyck, Rogier van der Weyden, Hans Memling and Hugo van der Goes used the form. Some modern artists have used the term in
Tauberbischofsheim altarpiece Tauberbischofsheim altarpiece The Taubischofsheim altarpiece (earlier known as the Karlsruhe altarpiece or Karlsruhe panels; German: Taubischofsheimer Altar, Karlsruher Altar, and Karlsruher Tafeln, respectively) is a late work by the German Renaissance painter Matthias Grünewald, probably completed between 1523 and 1525. The earliest written references to the work come from the 18th century, when the altarpiece was still in the Church of St. Martin in Tauberbischofsheim. Its original location and the identity of the patron who commissioned it are not known, but it is assumed that they both were in Tauberbischofsheim. The panels, which today are displayed separately, were originally painted