I walked across to the Savage Club, but instead of turning into it I leaned upon the railings of Adelphi Terrace and gazed thoughtfully for a long time at the brown, oily river. I can always think most sanely and clearly in the open air. I took out the list of Professor Challenger’s exploits, and I read it over under the electric lamp. Then I had what I can only regard as an inspiration. As a pressman, I felt sure from what I had been told that I could never hope to get into touch with this cantankerous Professor. But these recriminations, twice mentioned in his skeleton biography, could only mean that he was a fanatic in science. Was there not an exposed margin there upon which he might be accessible? I would try.