Possible Clues:

• Painter such as Picasso
• Picasso, for instance, succeeded in old measure
• Painter's canvas finally framed by old measure of length
• Geometric style painter
• Picasso or Braque
• Degree attached to apprentice painter
• Geometrical painter
• Picasso was one
• Artist, modern (by ancient measure) about a second
• Spaniard initially inspired by old measure, Picasso say