The correct answer is B. George Stephenson was known for the world-famous Rocket locomotive. Rocket locomotive was an early steam-locomotive with 0-2-2 wheel arrangement. It was built in 1829 for Rainhill Trails held by the Liverpool and Manchester Railway. It was designed by Robert Stephenson, George Stephenson's son. There are different opinions on who should get the credit for creation of Rocket locomotive. Before its creation, George Stephenson designed several locomotives, but none of it as advanced as Rocket.
