There has been no more powerful personality in the political world of Europe since 1914 than the man whom Mr. A.G. Gardiner has taken for his subject tonight. The idol of Germany during the war, when ho seemed to incarnate the Prussian military ideal, he has since made a new reputation as one of the few soldiers to succeed in the politics of peace, and his Presidency of post-war, Republican Germany is one of the most important stabilizing elements in the Europe of today.