Robert Stephenson

Robert Stephenson was a renowned 19th century British engineer. He was the son of George Stephenson. Like his father, he was heavily involved in the development of the railways. He built the first steam engine, Locomotion No. 1. (PROSE: A History of Humankind)

When the Eighth Doctor brought Madeline de Roche into his TARDIS, she asked if it was a new design by Stephenson or Brunel. (AUDIO: Other Lives)

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In the board game The Universe Marathon, where one of the squares sees the Doctor hitching a ride on Stephenson's to get to his destination slightly faster.