Regina Resnik (1922–2023) was an American soprano and mezzo-soprano renowned for her versatile voice and commanding stage presence. She made significant contributions to the genres of opera and classical music, particularly in the mid-20th century. Resnik was celebrated for her performances in works by composers such as Verdi, Puccini, and Strauss, and she gained acclaim for her portrayals of complex characters in operas like "Carmen," "Aida," and "Tosca." Notable works include her recordings and performances with major opera companies, including the Metropolitan Opera and Covent Garden. Resnik was also instrumental in the development of new operatic works, premiering roles in several contemporary operas, which helped bridge traditional and modern classical music. Beyond her performance career, Resnik made a significant impact as a teacher and mentor, influencing a new generation of singers. Her dedication to vocal technique and interpretation has left a lasting legacy in the world of opera. Resnik's contributions have solidified her status as an important figure in American classical music history.