Friedrich von Duhn was a German Classical scholar

Classics

Classics is the branch of the Humanities comprising the languages, literature, philosophy, history, art, archaeology and other culture of the ancient Mediterranean world ; especially Ancient Greece and Ancient Rome during Classical Antiquity Classics (sometimes encompassing Classical Studies or...

 who taught at the University of Heidelberg, where he headed the Institut für Klassische Archäologie (1879—1920); his most memorable feat was in recognizing scattered fragments of sculpture as the remains of Augustus

Augustus

Augustus ;23 September 63 BC – 19 August AD 14) is considered the first emperor of the Roman Empire, which he ruled alone from 27 BC until his death in 14 AD.The dates of his rule are contemporary dates; Augustus lived under two calendars, the Roman Republican until 45 BC, and the Julian...

' Ara Pacis

Ara Pacis

The Ara Pacis Augustae is an altar to Peace, envisioned as a Roman goddess...

.
His masterwork on the funerary arts of ancient Italy, Italische Gräberkunde, was published in 1924 and posthumously in 1939.