Which composer is renowned for having written over 600 Lieder, or German songs?

Franz Schubert

Franz Schubert is renowned for his revolutionary contributions to the Lied, enriching this genre with over 600 songs. His expressive use of melody, harmony, and text innovated the genre, notably in works like "Die Forelle" (The Trout), demonstrating his ability to create musical imagery. Despite his life and work in Vienna, Schubert did not achieve fame during his lifetime, but his oeuvre has gained posthumous recognition for its beauty and its influence on future music.