He owes his name to a devotional book he decorated for Margaret of York, wife of Charles the Bold, Duke of Burgundy.
The style of this anonymous master was first characterized by the German art historian Friedrich Winkler in 1925.
So much so that another art historian, Ottokar Smital, preferred to call him the Master of Louis of Bruges.
[1][2] The style of the master and its application vary according to the subject of the miniature, and according to the importance of the work ordered.
On the other hand, he highlights the action evoked by the text and the main characters by embodied and expressive faces.