- Sybil Rosenfeld
( fl 1766–71). Italian stage designer . A native of Bologna, he was scene painter and machinist with his fellow townsman, Vincenzo Conti, at the King’s Theatre in London (from 1766 to 1771), though Conti did not operate after 1767–8. The most important operas for which Bigari provided scenery were J. C. Bach’s ...