The task of the expert is to furnish the politician with information and estimates on which he can base a decision. A clearly defined division of responsibility corresponds to this functional division: that is, the expert has no responsibility. The problem is, above all else, to maintain the independence of the technician; he must avoid pressures, involvement in contests of influence, and the personal quarrels of the members of the administration. When the technician has completed his task, he indicates to the politicians the possible solutions and the probable consequences—and retires.
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