1. Quoted in N. D. McMillan and J. Median, John Tyndall: “X”-emplar of Scientific and Technological Education (Dublin: NCEA, 1980), 54–5.
2. Larkin later identified himself as the author of the pamphlet in his better known, almost worshipful work, Carlyle and the Open Secret of His Life (1886). For more information on Larkin, see Ian Campbell, “Henry Larkin and the Carlyles,” The Huntington Library Quarterly 54 (Spring 1991): 127–41.
3. Henry Larkin, Extra Physics, and the Mystery of Creation (London, 1878), 13.
4. See R. W. Emerson, Representative Men: Seven Lectures (London: John Chapman, 1850). Tyndall’s interest in Emerson is discussed further in chapter two, in the section entitled “Tyndall in the Alps: The Influence of Emerson and Goethe.”
5. William T. Jeans, Lives of the Electricians (London: Whittaker, George Bell, 1887), 87.