RIP https://en.wikipedia.org/wiki/Roman_Jackiw Bell’s most famous paper in this area – published with Roman Jackiw in Il Nuovo Cimento in 1969 and cited more than any other of his papers – was the discovery, clarified to some extent by Stephen Adler, of the Bell–Jackiw–Adler anomaly. https://physicsworld.com/a/john-bell-profound-discovery-science/ John Bell and the most profound discovery of science – Physics World Lets we forget Mongs interest in degrees of freedom in physics far outweighed any passing fancy for Randite imbecility The Austro-libertarian evil that men do lives on while the utilitarian good is oft interred with their cats.