Aronson designed sets for the Metropolitan Opera and ballet companies, including the production of The Nutcrackerchoreographed by Mikhail Baryshnikov. He was also a non-theatrical artist, working as a painter and sculptor. At the time of his death in 1980, he was a member of New York's theatre and art community and one of its designers. Aronson's wife was Lisa Jalowetz, who worked on many of Aronson's shows as his assistant.
"For Company, Harold Prince and Aronson had discussed at length a Francis Bacon painting * of a figure in motion behind a steel-and-glass coffee table. They decided that it captured the 'frantic, anxious, driven' quality of urban life, and ... Aronson presented Prince with that famous chrome-and-glass backdrop. ... Aronson had made a study of how many buttons he pushed on an average day in New York City ... Prince ... was delighted to find that Aronson had given him two working elevators to play with."
"Michael Bennett ... was astonished that Aronson 'didn't do three projects at once', as many designers did, but instead 'watched every line change every night.' The veteran lighting designer Tharon Musser ... felt that she learned more from Aronson than from any other set designer in her long career. 'His design concepts were so strong that if someone went against them, the show would be ruined.'