Inventors who killed by their inventions

Alexander Aleksandrovich Bogdanov

He (22 August 1873  – 7 April 1928) was a Russian and Soviet physician, philosopher, science fiction writer, and revolutionary of Belarusian ethnicity.He was a key figure in the early history of the Bolshevik faction of the Russian Social Democratic Labor Party, being one of its co-founders and a rival to Vladimir Lenin until being expelled in 1909.