
Voltaire (1916)
Dr. Paris, Life of Sir Humphry Davy (1831)
Voltaire (1916)
Source: A Treatise On Political Economy (Fourth Edition) (1832), Book III, On Consumption, Chapter VI, Section I, p. 418
https://www.theguardian.com/film/2005/apr/28/hayfilmfestival2005.guardianhayfestival
Introduction
Higher Mathematics for Chemical Students (1911)
Regarding the role of experiment and observation, Ibn Hazm: Kitab al-fisal fi’l-milal wa-l-ahwa wa-l-nihal, 5 parts in two vols; Cairo, 1899 and 1903; Vol I, p. 72.
Source: What Is This Thing Called Science? (Third Edition; 1999), Chapter 1, Science as knowledge derived form the facts of experience, p. 3.
Hans Freudenthal (1978). Weeding and Sowing. Preface to a Science of Mathematical Education; As cited in: Ben Wilbrink (2013) " Hans Freudenthal Aantekeningen bij zijn publicaties http://www.benwilbrink.nl/literature/freudenthal.htm".