Boris Christoff was a Bulgarian opera singer, widely considered one of the greatest basses of the 20th century.
Boris Christoff
A Monument of Boris Christoff near Alexander Nevsky Cathedral in Sofia, Bulgaria
The Grave of Boris Christoff and his parents at Sofia Central Cemetery (42°42′48.1″N 023°19′58.5″E / 42.713361°N 23.332917°E / 42.713361; 23.332917)
Riccardo Stracciari was a leading Italian baritone. His repertoire consisted mainly of Italian operatic works, with Rossini's Figaro and Verdi's Rigoletto becoming his signature roles during a long and distinguished career which stretched from 1899 to 1944.
Riccardo Stracciari in 1918
Riccardo Stracciari
Ricardo Stracciari autographed drawing by Manuel Rosenberg, St. Paul, Mn 1921