QUESTION: Why is George Stephenson’s Locomotion No. 1 regarded as the first steam locomotive? What about Richard Trevithick’s Penydarren? Stephenson’s Locomotion No. 1 is significant because ...

Michael Mosley, Cassie Newland and Mark Miodownik describe the scientific achievements of Richard Trevithick and George Stephenson. In 1801 Richard Trevithick built the first steam locomotive.

Plans by railway pioneer George Stephenson for the world's first passenger line to use locomotives have been found by an archive assistant. The 1822 notebook of the Stockton and Darlington Railway ...