German statistician; born March 8, 1859, at Königsberg, East Prussia. He was educated in his native town, graduating in 1882. Soon afterward he was employed in the statistical office of the city of Berlin, where he at first (1902) was assistant director and then (1903) became director. He is also chief of the statistical bureau of the city of Charlottenburg. The title of "professor" has been conferred upon him by the government.
Among Hirschberg's works may be mentioned: "Arbeiterversicherungszwang," Berlin, 1882; "Trennung der Alters- und Invaliden-Versicherung," ib. 1889; "Beiträge zur Statistik der Brodpreise," ib. 1893; "Die Soziale Lage der Arbeitenden Klassen in Berlin," ib. 1897; and "Arbeitlosen Versicherung und Armenpflege," ib. 1903.