Hirschfeld's work graced the cover of The New York Times Sunday Drama section so often he practically became its resident artist. His faces appeared on more TV Guide covers than that of any other artist. No TV or movie star could be said to have "arrived" until their countenance had been interpreted by this master of exquisitely drawn lines. In its evocative cartoon wit, Hirschfeld's work ranks as classic character portraiture. With his amazing deftness and economy of line, he revealed himself to be a serious technician and artist with a unique style and flavor. His work fixed, unmistakably, the mid-twentieth century show-biz culture in a way that might well be considered social history. He compares easily with the likes of Honore Daumier and Thomas Nast.
Though there is undeniably a cartoon-like quality to his work, his humor mostly derived from his outrageously distorted, yet instantly recognizable faces. However, Hirschfeld's deftly insightful caricature portraits in pen and ink masked a lesser known side. He was also a master artist, painter, and expert lithographer. He was featured in many one-man shows in cities all over the U.S. and abroad. Today, his work rests in the permanent collections of major museums such as the Metropolitan Museum of Art in New York and Israel's Hamima Museum.