Signorelli Luca

Luca Signorelli (c. 1445 – 16 October 1523) was an Italian Renaissance painter who was noted in particular for his ability as a draughtsman and his use of foreshortening. His massive frescoes of the Last Judgment (1499–1503) in Orvieto Cathedral are considered his masterpiece.

Reference
http://en.wikipedia.org/wiki/Luca_Signorelli