First medium-length film as director (also writer; producer; editor), "Rien que les heures"

Feature directing, co-writing and editing debut, "En rade"

Moved to England and began working for John Grierson at GPO Film Unit

Produced short films for Len Lye, Norman McClaren, Pat Jackson, Humphrey Jennings and others while at GPO/Crown

Succeeded Grierson as head of GPO (name changed to Crown Film Unit at outbreak of WWII)

Moved to Ealing Studios

Returned to Brazil

Returned to Europe

Began teaching at UCLA