Question

Who produced cubist paintings that looked like he had shattered reality and reassembled the fragments?

Answer 1

Pablo Picasso was the one made that art

Answer 2

Answer is: Pablo Picasso.
Pablo Picasso (1881 – 1973) was a Spanish painter, sculptor, poet...
He is cofounder the Cubist movement with Georges Braque.
Cubism is an early-20th-century art movement.
Example is Guernica. Thia painting is a late example of Cubism in a more realistic style.