posted by josh .
What is the main difference from da Vinci's Last Supper and Andrea del Castagno's Last Supper?
Let us know what you see! I see many, many differences.
Read about Medieval Art (especially the 4th paragraph) to gain insight into del Castagno's work:
Read about Renaissance Art to gain insight into da Vinci's work:
Contrast Tintoretto’s The Last Supper with Leonardo’s Last Supper. In your post, include the differences in media as well as thematic substance.