List of inventors killed by their own invention
I assume you're posting this because of the OceanGate Titan submarine?
If that is the case, I disagree with the implicit premise. Many of the people on that list were just trying to something that hadn't been done before. That should be celebrated.
Meanwhile the OceanGate fiasko was a low budget, entirely preventable, incompetent way of touristifying something that had been done before.
'There is no excuse for what happened here': Director James Cameron on Titanic sub tragedy: