Creator of HumanityG 5

In Episode One using the following combinations:

earth + fire = lava
air + fire = energy
lava + air = stone
water + stone = sand
water + earth = swamp
swamp + sand = clay
swamp + energy = life
clay + life = golem
golem + life = human

Creator of Humanity G5:
Human created

You can get this relatively early on and its required to finish the game, but here's the fastest path:

Can be created in Episode One using the following combinations:

Earth + Fire = Lava
Lava + Air = Stone
Water + Stone = Sand
Water + Earth = Swamp
Swamp + Sand = Clay
Air + Fire = Energy
Swamp + Energy = Life
Clay + Life = Golem
Golem + Life = Human

ENJOY!!!