Authors:
  • It can scarcely be denied that the fundamental phenomena which first led mankind into chemical inquiries are those of combustion.

    Society for Psychical Research (Great Britain), Society for Psychical Research (London, England), Henry Sidgwick, Balfour Stewart, Arthur James Balfour Balfour (Earl of) (1912). “Presidential Addresses to the Society for Psychical Research, 1882-1911”