In 1857, the SS Central America sank during a hurricane off the coast of South Carolina, carrying over twenty tons of gold rush gold to the ocean floor. For over a century, the wreck lay unreachable under 7,200 feet of water. That changed in 1988 when engineer Tommy Thompson used pioneering search theory and custom synthetic-aperture sonar algorithms to pinpoint the vessel's exact location.
However, finding the Ship of Gold sparked one of the most complex admiralty and intellectual property battles in American legal history. Thirty-nine separate insurance companies immediately filed claims, arguing they owned the gold based on claims paid out in 1857. Simultaneously, a battle erupted over Thompson's proprietary sonar filtering algorithms, patented in 1989, which processed high-noise acoustic returns into high-resolution deep-sea topography.
Investors who financed the search sued Thompson when he refused to pay returns, alleging he used corporate funds to secure personal patents for the search algorithms. Thompson went on the run in 2012, becoming a federal fugitive before being captured in 2015. He remains in federal prison for civil contempt for refusing to reveal the location of 50 missing gold coins, demonstrating how cutting-edge mathematical search theory devolved into a legendary legal nightmare.