Who is Sol Lewitt?
Known primarily as a sculptor, Sol Lewitt (born 1928) is a famous American artist who has created thousands of 2D and 3D artwork using geometric shapes and forms such as pyramid.

Many of Sol Lewitt's artwork use the cube as their starting point or basic element. Can you see any cubes or building blocks in sculpture below?
Sol LeWitt, "Four-Sided Pyramid",
1997, National Gallery of Art Sculpture Garden, Washington, D.C.