This note reviews the changes Samuelson made to the family tree of economics between the 4th and 11th editions of his … textbook Economics in relation to the book's changing coverage of the history of economic thought. Of particular interest are … the development from "neoclassical synthesis" to "new economics" to "Post-Keynes Mainstream", and the change from implying …

doing. These are all points that are invisible to those who simply read the published output of economics, so readers will …, particularly historians of economic thought, as well as sociologists concerned with the economics profession, and those interested … in the creative process and the social and scientific development of economics …