
Conjectures and Refutations: The Growth of Scientific Knowledge (1963)
Evolution and Permanence of Type (1874)
Conjectures and Refutations: The Growth of Scientific Knowledge (1963)
conjecture
in his Nobel Lecture http://nobelprize.org/nobel_prizes/chemistry/laureates/1996/curl-lecture.html, December 7, 1996, Dawn of the Fullerenes: Experiment and Conjecture
Ben Stein on CNN: Impolite Conversation, Ben Stein on CNN: Impolite Conversation, 18 April 2008, 2008-04-18 http://impoliteconversation.wordpress.com/2008/04/18/ben-stein-on-cnn/,
Source: What Is This Thing Called Science? (Third Edition; 1999), Chapter 5, Introducing falsification, p. 67.
Source: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 422
Source: 1980s-1990s, "Theory construction as disciplined imagination," 1989, p. 516
“All our knowledge has its origin in our perceptions.”
The Notebooks of Leonardo da Vinci (1883), XIX Philosophical Maxims. Morals. Polemics and Speculations.
James Gleick (1992). Genius: The Life and Science of Richard Feynman. Vintage Books
Source: Evolution: A Theory in Crisis (1986), p. 69, 77, 358
Source: 1860s, Evidence as to Man's Place in Nature (1863), Ch.2, p. 126