Sidney Stuart Alexander (May 3, 1916 – February 19, 2005) was an American economist who was associated with the

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...

. Alexander graduated summa cum laude from Harvard College in 1936. Continuing at

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

, he received a master's degree in 1938 and a doctorate in 1946. Robert M Solow lists him among his teachers saying "The Harvard of my time taught statistics scandalously badly. I would hardly have known what I was missing if Sidney Alexander, filling in for a couple of weeks as lecturer in the graduate course in economic statistics, had not lifted the curtain and let the class peek at the real thing". During World War II, Alexander served as a director of research in the

Office of Strategic Services The Office of Strategic Services (OSS) was the first intelligence agency of the United States, formed during World War II. The OSS was formed as an agency of the Joint Chiefs of Staff (JCS) to coordinate espionage activities behind enemy lines ...

(OSS). From 1956 until his retirement, Alexander taught at MIT, in both the

MIT Sloan School of Management The MIT Sloan School of Management (branded as MIT Sloan) is the business school of the Massachusetts Institute of Technology, a private university in Cambridge, Massachusetts. MIT Sloan offers bachelor's, master's, and doctoral degree progra ...

and the Economics Department.

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Further reading