tive, the party leader, the head of a voluntary association, found that if he had to discuss two dozen different subjects in the course of the day, somebody would have to coach him. He began to clamor for memoranda. He found he could not read his mail. He demanded somebody who would blue-pencil the interesting sentences in the important letters. He found he could not digest the great stacks of typewritten reports that grew mellow on his desk. He demanded summaries. He found he could not read an unending series of figures. He embraced the man who made colored pictures of them. He found that he really did not know one machine from another. He hired engineers to pick them, and tell him how much they cost and what they could do. He peeled off one burden after another, as a man will take off first his hat, then his coat, then his collar, when he is struggling to move an unwieldy load.
3
Yet curiously enough, though he knew that he needed help, he was slow to call in the social scientist. The chemist, the physicist, the geologist, had a much earlier and more friendly reception. Laboratories were set up for them, inducements offered, for there was quick appreciation of the victories over nature. But the scientist who has human nature as his problem is in a different case. There are many reasons for this: the chief one, that he has so few victories to exhibit. He has so few, because unless he deals with the historic past, he cannot prove his theories before offering them to the public. The
