Question: Were Douchan Gersi and Serge de Poligny both authors?
Sentence (from "Douchan Gersi"): Douchan Gersi (1947–2015) was a Slovak-born, Belgium-raised, Bali-based adventurer, documentary filmmaker, author and actor, producer/star with actor James Coburn of "Explore", a PBS mini-series.
Relevant evidence: Yes