Are both Robert Stevenson and Am Rong a filmmaker?
yes
Title: Am Rong
Passage: Am Rong (1929 – May 1975) was a Cambodian soldier and filmmaker, who acted as a spokesman on military matters for the Khmer Republic during the Cambodian Civil War.  Western journalists commented on the irony of his name as he gave briefings which "painted a rosy picture of the increasingly desperate situation on the ground" during the war.
Title: Robert Stevenson (director)
Passage: Robert Stevenson (31 March 1905 – 30 April 1986) was an English film writer and director.  He was educated at Cambridge University where he became the president of both the Liberal Club and the Cambridge Union Society.
Title: Dunnet Head lighthouse
Passage: Dunnet Head Lighthouse is an active 19th century lighthouse that stands on the 300 ft cliff top of Easter Head on Dunnet Head.  The lighthouse is 20 m tall and was built in 1831 by Robert Stevenson, grandfather of Robert Louis Stevenson.  The lighthouse was automated in 1989, and the keepers were withdrawn.  It is now checked remotely by the Northern Lighthouse Board operations centre in Edinburgh.
Robert Stevenson (director) Am Rong