And Epilepsy society has praised the big-hearted Samaritan for his kindness and quick thinking. 'Too often we hear or read about people either being ignored or mistreated when they have a seizure in public,' said the charity's Helpline manager Christine Brock. 'This is an example of just how supportive and caring members of the public can be.'
Twenty-seven-year old Ellie Farnfield, right, a part-time acupuncture student in York, was on route to teach a fitness class when the seizure happened.
The first Ellie knew about it was when she came round in a confused state to find train staff had been alerted, 14 people listed in her mobile phone had been contacted, and 'Tom' had left her a cup of coffee, £10 for a taxi home and a letter apologising that he had been unable to do more.
In the note, written on a torn out piece of lined paper, Tom said:
Hi Eleanor. I hope by the time you read this you are feeling better. You had a seizure on the train and I took you off. You didn't hit your head but I may have hurt your leg as I walked on it before realising you were on the floor having a fit! Sorry!'I'm also sorry I can't stay with you now but here is a coffee to perk you up later and £10 to make sure you get a taxi home.Sorry I don't have any more money so I hope you don't live far away. I've contacted people from your phone and medical help is on its way and you're with train staff.Wishing you all the best and a quick recovery. Love Tom.
Ellie has since turned to Facebook in the hopes of tracking down Tom so she can thank him for his kindness and consideration.
Launching a #findtraintom campaign, she posted Tom's note on Facebook and wrote: 'Faith restored in humanity in London last night. Thank you so much to everyone who helped me last night - especially "Tom".
'Would love to try and find this man so I can return his money and add many many thanks to it!!'
Speaking to MailOnline, Ellie said that at first she thought someone had stolen her bag.
She said: 'I was very confused. Then I saw the note and the money and felt quite emotional - it was such a thoughtful thing to do.
'Anything could have happened. I could have hit my head, fallen off the train, been there for a long time.
'I just want to thank Tom for his help. I'd tell him: "You're a star and I really, really appreciate it".
'I'd also like to return the money. There is something really lovely about the kindness of a stranger.
'If I meet him, drinks are on me.'
Ellie said that her family and friends had fully embraced the #findtraintom campaign but as yet he has not made contact.
A spokesman for Southern, the train operator for that section of the line, said: 'What this mystery man Tom did just goes to show how thoughtful and kind-hearted many of our passengers are.
'This would have been a frightening experience but thanks to our good Samaritan this young lady woke up in good hands with a taxi fare home.'