I'm pretty sure that it is A. work against an author because it might cause readers to reject a story or its characters.
The correct answer is Michael Faraday. Specifically, he invented the electric dynamo, which was later developed further into the power generators we know today.
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. Independently discovered in 1851 by William Kelly, the process had also been used outside of Europe for hundreds of years, but not on an industrial scale.
