This disertation turns its focus to one of the most significant personage of violin history. It portrays Eugène Ysaÿe not only as an interpret, conductor and pedagogist, but also as unconventional composer which established underlying milestone influented violin techniques of 20th century. We will point out to amity with leading artistic personalities which affected not only his evolution as composer. On musical examples, we will demonstrate his musical language, composition technique and personal input. This work should serve as complex oversight of Ysaÿe's life and persisting legacy.