John Foster was a UNIT scientist.

In 2013, John died in a car crash. Kate and the team spent the next year trying to reactivate the projects (based off of the technology left by the cybermen in 2007) but found various codes that blocked access. She visited the home of Foster's family, where his family was having trouble coping with the accident. It was then that another John Foster broke through into their dimension to meet with his daughter, unbeknownst to them. (COMICThe Fractures)

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