Marc Laidlaw

Marc Laidlaw (born August 3, 1960) is an American writer of science fiction and horror, and a former writer for the video game company Valve. He is most famous for working on Valve's Half-Life series.

Marc Laidlaw

Marc Laidlaw (born August 3, 1960) is an American writer of science fiction and horror, and a former writer for the video game company Valve. He is most famous for working on Valve's Half-Life series.