Possible Clues:

• Painter in back of boat, way down low
• "Ninotchka" director Lubitsch
• 'Mary Worth' cartoonist Ken
• Max -, Twentieth century German artist
• Composer von Dohnanyi
• German artist in modern style
• German-born Dadaist
• 'The Horse He's Sick' artist
• Bit of neorealism adopted by formerly old-fashioned surrealist artist
• German painter's stern disposition