His Identity is Albert Einstein.
Albert Einstein qualified as a Caster only as he doesn't fit into the rest of the 6 Servant types. However due to his accomplishments, his very achievements seems mythical to many which grants him a bit of power under magus craft.
1: Items Creation
2: Territory Creation - E (Albert Einstein has no real territory that make him feel at home but creating a lab for his studies will be the best for him )
1st: The Theory of Relativity, The Pillar of ScienceEdit
Albert gains the ability to manipulate space-time.