"Nicola Ghiuselev (August 17, 1936 – May 16, 2014) was a Bulgarian operatic bass, particularly associated with the Italian and Russian repertories. Ghiuselev was born in Pavlikeni. He studied painting at the Academy of Arts in Sofia, and later voice at the school of the National Opera of Sofia, with Christo Brambarov. He made his stage debut with that company, as Timur in Turandot, in 1960. In 1965, with the Sofia Opera, he toured Germany, the Netherlands and France, and made his debut at the Metropolitan Opera of New York, as Ramfis in Aida, quickly followed by King Philip II in Don Carlo, and the title role in Boris Godunov. In two seasons with the Met, he sang as Raimondo in Lucia di Lammermoor, the Commendatore in Don Giovanni, Colline in La Bohème. Important debuts followed at the Berlin State Opera, La Scala in Milan, the
Vienna State Opera, the Monte Carlo Opera, the Palais Garnier in Paris, the Liceo in Barcelona, the San Carlo in Naples, the Royal Opera House in London, the Verona Arena, the Salzburg Festival, the Holland Festival, he also appeared in Moscow, Saint Petersburg, Prague, Budapest, Warsaw, Marseille, Toulouse, Chicago, Houston, among others. Other notable roles include; Mephisto in Faust, Creon in Medea, Padre Guardiano in La forza del destino, Banquo in Macbeth, Zaccaria in Nabucco, Silva in Ernani, Enrico in Anna Bolena, Galitzky in Prince Igor, the four villains in The Tales of Hoffmann, Mosè in Mosè in Egitto, Marcel in Les Huguenots, and Gremin in Eugene Onegin. He died on 16 May 2014, aged 77." [Source]