Photo: Andrew Hurlbut New England Conservatory (NEC) unveiled a new portrait of Mary Cardwell Dawson by Iris Lee Marcus, which will be on permanent display at the conservatory’s Blumenthal Family Library. The painting recognizes her trailblazing career as a singer and her founding of the National Negro Opera Company (NNOC) in Pittsburgh in 1941. Dawson’s opera company provided Black artists {…}