Karel Appel (1921-2006)
http://www.karelappelfoundation.com/karel-appel/chronology
Cy Twombly (1928-2011)
https://www.guggenheim.org/artwork/artist/cy-twombly
The Misty Miss Christy
AN ALMANAC OF ART AND CULTURE
Karel Appel (1921-2006)
http://www.karelappelfoundation.com/karel-appel/chronology
Cy Twombly (1928-2011)
https://www.guggenheim.org/artwork/artist/cy-twombly
The Misty Miss Christy 
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I have to confess this is where I get lost. What separates the piece on the right from scribbles a young child would do? There must be something, but what it is has always eluded me.
One thing to bear in mind that a teeny pic on the internet can usually not do justice to the real thing.