Edwin Parker "Cy" Twombly Jr.(April 25, 1928–July 5, 2011)was an American painter,sculptor and photographer.He belonged to the generation of Robert Rauschenberg and Jasper Johns but chose to live in Italy after 1957.
His paintings are predominantly large-scale, freely-scribbled, calligraphic and graffiti-like works on solid fields of mostly gray, tan, or off-white colors. Many of his works are in the permanent collections of most of the museums of modern art around the world, including the Menil Collection in Houston, the Tate Modern in London and the New York's Museum of Modern Art. He was also commissioned for the ceiling of a room of the Musée du Louvre in Paris.
(Cy Twombly Mars and the artist 1975 )
( A 1970 Cy Twombly "blackboard" painting)
(Cy Twombly Untitled' 1961- 1963)
Resources
https://www.wikiart.org/en/cy-twombly