John Wilkins and John Wallis, who described those meetings in the following terms: "About the year 1645, while I lived in London (at a time when, by our civil wars, academical studies were much interrupted in both our Universities), ... I had the opportunity of being acquainted with divers worthy persons, inquisitive natural philosophy, and other parts of human learning; and particularly of what hath been called the New Philosophy or Experimental Philosophy. We did by agreements, divers of us, meet weekly in London on a certain day and hour, under a certain penalty, and a weekly contribution for the charge of experiments, with certain rules agreed amongst us, to treat and discourse of such affairs..."[21]