Tempera was a primary medium for artistic expression in Europe in the 14th and 15th centuries. Milk and Eggs examines the American re-emergence of tempera painting in the mid-20th century. It experienced a renaissance in the work of a large number of mostly unconnected American artists, including Thomas Hart Benton, Paul Cadmus, Jacob Lawrence, and Andrew Wyeth among others.Milk and Eggs focuses on four centers where tempera painting was revived--Yale...