https://www.pcgamesn.com/erik-wolpaw-leaves-valve
Portal and Half-Life 2 co-writer Erik Wolpaw leaves Valve
Feb 17, 2017 - Erik Wolpaw is best known for his work on the Half-Life and Portal series at Valve. He joined the company in 2004. Now, over a decade later, he's off. Related:...
half life 2co writererik wolpawportal