Harry Bergreen is one of the founders of Reboot.[1]
The Long Earth[]
He joined the Greens on their way to Earth West 101,754 with others, a hundred in total, and took part in founding Reboot.[1]
The Long War[]
Between 2028 and 2030, he got married to Katie Green. They brought forward their wedding to make sure Katie's mother, who was ill, was still around to attend the ceremony.[2]