Answer
Mainz, Germany, was Rudolf Rocker's birthplace. Rocker was a prominent anarchist and anarcho-syndicalist theorist who lived from 1873 to 1958. He was a prolific writer and speaker, and his work has been translated into many languages. Rocker's ideas have had a significant influence on the anarchist movement, and he is considered one of the most important anarchist thinkers of the 20th century.