In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Seven years after the book was published, Shigeru Nakayama (she-GAY-ru nah-kah-YAH-mah) convinced the author to write a "Postscript--1969" which suggests a project for sociological study of a certain kind of community. The introduction considers a "role for history," and subsequent chapters take on anomaly, crisis, and the nature and necessity of the titular occurrences, which appear as invisible revolutionary changes in world view. FTP, identify this book, first published in 1962 by MIT professor Thomas Kuhn, which introduced the concept of "paradigm shifts. "
Social Science