Jean de Meun was a French poet and writer active in the late 13th century, best known for his continuation of Le Roman de la Rose, a seminal work of medieval literature. He expanded the original poem, which was started by Guillaume de Lorris, by adding his own philosophical and allegorical insights, making it a significant text in the development of French literature. His contributions to Le Roman de la Rose introduced themes of love, nature, and social commentary, reflecting the complexities of human relationships. Jean de Meun's work influenced later writers and thinkers, establishing him as a key figure in the transition from medieval to Renaissance literature.