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Science and Citizenship those members of the community who have themselves done most to forward the progress of their science. Every high priest of geography, as of every science, is, in quite a literal sense, a slave of every investigator who is working in that particular field, or a related one. The organisation of research and the system of inter-communication are so arranged that the tasks beyond the strength and the problems beyond the power of the ordinary members of the community are continually being collected and automatically delivered at the workshop of this or that high priest. His workshop is usually a small room with a few books and maps. Here, without fee or charge, he completes the unfinished tasks and solves the harder problems. And hence he delivers the finished goods as a free gift to the community at large. He is fortunate indeed if he escapes without having himself to pay the cost of delivery. The reward of his office is harder work, less pay, and more criticism than that of the ordinary brothers. The high priest of geography, as of other sciences, is not differentiated by sartorial insignia, by definitive status, or by obsequious designation, but is generally recognisable by certain personal characteristics—by the world light that shines from his eyes, by the nobility of his countenance, by his threadbare coat, and usually, it must be confessed, by the baldness of his head. In the common phrase of every-day life he is known as an "eminent scientist"; in the jargon of his profession he is an "authority."

It is the real though unexpressed ambition of 42