Alexander Isaacs, Resident Evil Wiki

Dr. Alexander Roland Isaacs was a virologist known for founding the Umbrella Corporation. Following Dr. Charles Ashford's development of the T-Virus, Isaacs found its mass-production to be a profitable necessity. James Marcus, Umbrella's co-founder, disagreed after being informed of the potential lethal side-effects. Albert Wesker suffocated Marcus under Isaac's orders. Isaacs then took Marcus's daughter, Alicia, under his wing to run Umbrella Corporation as partners. Isaacs had modifications to

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