Around 90 illustrations and topical essays show Katz's working process between calculation and spontaneity. Portraits, landscapes, urban scenes and floral compositions reveal the versatility of his oeuvre. His painterly virtuosity, which emphasizes the quality of color and light, is always captivating. The artist concentrates on subjects from his immediate surroundings. The iconic portraits of his wife Ada, for example, have been a recurring motif for the past 60 years, allowing Katz's artistic development to be traced. A development that reflects the pop culture of his time