Career
Ruhkopf was a schoolteacher in Ruppin, and in 1794 was appointed rector at Bielefeld. From 1815 to 1821 he was director of the Lyceum in Hanover. He is remembered for his work in classical philology, in particular, his four-volume edition of Seneca"s "Opera omnia quae supersunt" (1797-1811).
Among his better known publications are the following:
Erklärende Anmerkungen zu Homers Ilias, (Explanatory notes on Homer"s Iliad), with Johann Heinrich Justus Köppen (1755–1791).
Geschichte des Schulund Erziehungswesens in Deutschland, (History of the school and education system in Germany), (1794). L. Annaei Senecae Philosophi Opera omnia quae supersunt recognovit et illustravit.
Four volumes (1796–1808). Prolegomena on an ad carminum de Homerum passive Homericorum origine, et auctore Aetate, (1818).
Lateinisch-deutsches und deutsch-lateinisches Schulwörterbuch, (Latin-German and German-Latin dictionary), with Ernst Friedrich Kärcher (1789–1855).