List of inventors killed by their own invention

This is a list of people whose deaths were in some manner caused by or directly related to a product, process, procedure, or other technological innovation that they invented or designed. == Ill-fated inventors == === Automotive === Sylvester H. Roper (1823–1896), inventor of the Roper steam velocipede, died of a heart attack or subsequent crash during a public speed trial in 1896.