Guillaume de Machaut was a as well as a musician.?

Guillaume de Machaut was a prominent French poet and composer of the 14th century, known for his significant contributions to the development of polyphonic music and the Ars Nova style. He is celebrated for his secular and sacred works, including the famous "Messe de Nostre Dame," which is one of the earliest complete settings of the Mass Ordinary by a single composer. Machaut's poetry often explores themes of love and chivalry, reflecting the cultural richness of the medieval period. His influence on both literature and music has left a lasting legacy in the history of Western art.