He was a correspondent for the Buenos Aires-based Lasso and for a Japanese newspaper.A dedicated reporter, Brunea-Fox became known for his work published in Diminea?a, Adevarul and Jurnalul, which appeared in book form as Ora?ul macelului (1944), and posthumously as Reportajele mele.
1927- 1938 (1979) and Memoria reportajului (1985).
After the King Michael Coup of 1944, he edited ĂŽndrumatorul cultural.
His pseudonym came from the newsreels of Fox Movietone, which he enjoyed.
Other names he used include Filip Brunea, Fox, Mac and Potomac.
Jurnalul rebeliunii, a description of the January 1941 Bucharest pogrom, is among the few Holocaust accounts published in immediate postwar Romania.
He also published Porturi dunarene (1957) and Hârca piratului (1965).
He helped shape a new style of literary reporting, which influenced the young Geo Bogza, as well as several writers who came to prominence in the 1970s.
Writers whom he translated into Romanian include Paul Louis Courier, Pierre Daninos, Lion Feuchtwanger, Robert Louis Stevenson and Gabriel Chevallier.