Thomas Kuhn book The Structure of Scientific Revolutions
The Structure of Scientific Revolutions (1962), Preface
p. vi http://books.google.com/books?id=h7JT-QDuAHoC&pg=PR6, as cited in: Patricia R. Allaire and Robert E. Bradley. " Symbolical algebra as a foundation for calculus: DF Gregory's contribution http://poncelet.math.nthu.edu.tw/disk5/js/history/gregory.pdf." Historia Mathematica 29.4 (2002): p. 409. <br class="br">Examples of the processes of the differential and integral calculus, (1841)
Thomas Kuhn book The Structure of Scientific Revolutions
The Structure of Scientific Revolutions (1962), Preface
Kurt Danziger (1926) German academic
Source: Constructing the subject: Historical origins of psychological research. 1994, p. vii; Preface.
Romila Thapar (1931) Indian historian
The Past as Present : Forging Contemporary Identities Through History
Carroll Quigley (1910–1977) American historian
Preface to the First Edition, p. 27
The Evolution of Civilizations (1961) (Second Edition 1979)
Mark Hopkins (educator) (1802–1887) American educationalist and theologian
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 498.
James Whitbread Lee Glaisher (1848–1928) English mathematician and astronomer
Source: "Presidential Address British Association for the Advancement of Science," 1890, p. 466 : On the need of text-books on higher mathematics
James Fitzjames Stephen (1829–1894) Indian judge
Source: Liberty, Equality, Fraternity (1873-1874), Ch. 2