[1] Bultman was exhibiting with other abstract expressionists by the late 1940s, and in 1950 was aligned with the group of New York School artists, nicknamed the "Irascibles" in an article in Life magazine,[5][6] who signed a letter to the Metropolitan Museum of Art protesting the institution's conservative policies.

[1] With the assistance of a grant from Italy he studied bronze casting in Florence in 1951; subsequently he was the sole abstract expressionist to fully integrate sculpture into his oeuvre.

[1] At a time when African Americans were prohibited from visiting white museums in the south, in 1963 Bultman and his wife led a group of prominent New York artists and writers in the creation of a collection of modern art for Tougaloo College, a black institution in Jackson, Mississippi.

[6] In the 1960s Bultman began to make large collages, using pre-painted paper cut or torn and assembled into shapes reminiscent of his figurative drawings and more abstract sexual symbolism.

",[3] and David Houston, curator of the Ogden Museum of Southern Art in New Orleans called him "an important artist from the South who was part of that great moment that changed the American cultural landscape.