This piece was done by Ad Reinhardt. Ad Reinhardt was an abstract painter, who was very active in New York between 1930 - 1960s. Reinhardt only painted abstract pieces, although, he did attempt to portray other forms of art.

This particular piece is named 'Yellow Variations," where Reinhardt was portraying a type of Cubist idea that translated into yellow and green strokes. He lived during an era where Cubist expression was common, and it certainly made an appearance in abstract art.

Reinhardt was very involved in the art community, teaching at Brooklyn College from 1947 until 1967, the year in which he passed.