Who is Dr. Karl Lueger from Mein Kampf and what is their importance?

Dr. Karl Lueger was the head of the Christian Social Party. He correctly estimated the effect of economics on men and learned to use this information in order to advance his own purposes. Lueger concentrated on the classes who were economically threatened and avoided those whose finances were secure. His main focus was the middle class, and as a result, he won the support of the Catholic clergy. Lueger served as the mayor of Vienna.