Who is Nikolai Sergeivich Kaladze from The Peace War and what is their importance? The_Peace_War English & Literature Nikolai Sergeivich Kaladze | The Peace War

Nikolai Sergeivich Kaladze is Jeremy's grandfather. A Russian, he is sent to the United States to figure out the bobbles. Over time, he becomes a Tinker, someone who creates the gadgets that allow groups to keep in touch with each other, as well as to keep them safe from the Authority's intervention.