Was Richard involved in the development of a high-pressure steam engine?
No
Yes
Yes, but it was not successful
Yes, but it was not unique to him
Answer
Yes, Richard Trevithick was a Welsh engineer who is credited with developing a high-pressure steam engine. Trevithick's engine was able to produce a much greater amount of power than previous steam engines, and it was this engine that made it possible for steam locomotives to become a viable form of transportation.
The Revolutionary Innovations of Richard Trevithick: A Journey through the Ingenious Mind of an English Inventor