I first met Paul Samuelson in 1962, as a student at MIT. A decade later, I had the pleasure of co-authoring with him a paper on the Theory of Index Numbers (American Economic Review, 1974) and another in the Royal Economic Society’s Economic Journal (1984). I last met him a couple of years back, on a sidewalk in Belmont, Massachussets. He was driving down the street and stopped upon seeing...

A professor in formal attire, driving his own Beetle to the sprawling Massachusetts Institute of Technology (MIT) campus and turning up in class to “open up visions of his students” — that’s how Bengal finance minister Asim Dasgupta remembers his teacher, Paul A. Samuelson. Samuelson, who helped form the basis of modern economics, died yesterday at his home in Belmont, Massachusetts, after a brief illness. He was 94. “He was a...