| Lorenzetti,
Ugolino (active 1340-60, Siena) |
| Ugolino Lorenzetti is an invented name for an unknown artist midway between the styles of Ugolino da Siena and the Lorenzetti. Also known as the Ovile Master (and the Master of the Fogg Nativity), he has been tentatively identified with Bartolommeo Bulgarini (active c.1347-d.1378), who is known to have been a painter. |