Regine Crespin (1927-2007) was a renowned French operatic soprano celebrated for her powerful voice and dramatic stage presence. Active primarily in the mid-20th century, she excelled in both French and Italian operatic repertoire, becoming particularly noted for her interpretations of characters in operas by composers like Giacomo Puccini, Georges Bizet, and Richard Wagner. Crespin’s notable works include her performances as Tosca in Puccini's "Tosca," as well as Micaëla in Bizet's "Carmen" and Sieglinde in Wagner's "Die Walküre." She gained acclaim for her role in the world premiere of Francis Poulenc's "Les Dialogues des Carmélites" in 1957, which showcased her unique ability to convey deep emotional nuance. Beyond her performances, Crespin was influential in music education, serving as a professor at the Paris Conservatoire. Her contributions to the opera world have left a lasting legacy, inspiring future generations of singers. Crespin's ability to bridge the gap between traditional operatic styles and modern interpretations solidified her status as a pivotal figure in 20th-century opera.