Claude Guillemot, one of five brothers who co-founded French video game giant Ubisoft in 1986 and who served as chairman of Guillemot Corp., died on Friday, 19 June, when a twin-engine light aircraft he owned crashed and burst into flames near La Baule in western France. He was 69. A flight instructor aboard the plane also lost his life.The precise cause of the La Baule crash has not been established, and French aviation authorities are expected to open a formal investigation. The Cessna 421 is a well-regarded twin-engine aircraft widely used across Europe for private and regional travel.Ubisoft Confirms Death…