Giulio Trogli

Giulio Trogli (1613–1685) was an Italian painter of the Baroque period.

He was initially a pupil of Francesco Gessi in Bologna. Giulio Trogli, devoting himself to quadratura, under Agostino Mitelli, and published a work entitled Paradossi della Prospettiva, and from then on, took the nickname of il Paradosso ("the Paradox").

...
Wikipedia