https://www.theguardian.com/technology/2018/oct/16/paul-allen-beyond-microsoft-wrecked-warship-finder-and-ultimate-sports-fan

The Microsoft co-founder engaged in years-long missions for sunken ships and nurtured the Seahawks to three Super Bowls

Aside from his fame as Microsoft co-founder and philanthropist, Paul Allen’s life centred on a twin obsession with sport and the fate of warships sunk in critical battles during the war in the Pacific.