Walter White

Walter White was a criminal who went under the alias Heisenberg.

Before pursuing in the drug business, Walter co-founded Gray Matter Technologies with Elliott Schwartz. He lost his own share of the company to Elliot in exchange for five thousand dollars, eventually becoming a teacher at J. P. Wynne High School, teaching Chemistry.

Partnering with his former student Jesse Pinkman, he began an illegal business in the drug cartel in distributing and producing methamphetamines.