Mallard, the world's fastest steam locomotive, has received an award on the anniversary of designer Sir Nigel Gresley's death.
Gresley's grandson, Tim Godfrey, was born the same year as Mallard broke the world speed steam record. He attended the ceremony in York.
More top news
The two-part special will see the duo embark on an emotional journey discovering their family histories and DNA stories
Ronnie Campbell will back the PM's Brexit deal in Saturday's crucial vote. Jeremy Corbyn has urged him to abstain.
Paul Gascoigne has been cleared of both charges relating to an alleged sexual assault onboard a train in August