 The discovery of the wreck of the "Titanic" by Robert Ballard in 1985 sparked a new wave of interest which has continued to the present day, boosted by the release of James Cameron's film of the same name in 1997.The fourth and final came with the capsizing of the "Costa Concordia" in 2012, just few months before the centenary of the "Titanic" disaster.Even at the time, the high level of public interest in the disaster produced strong dissenting reactions in some quarters.