Robert Knox

Robert Knox was a human who acquired a TARDIS.

Biography
Knox acquired his Type 70 TARDIS from a Nekkistani dealer on Gryben.

Knox first met the Doctor when he was contracted to give humans an alien virus to help cure an alien race. (BFA: Medicinal Purposes)

Knox once killed John Booth to alter history as it would prevent Booth killing Abraham Lincoln. After his scheme to alter history was stopped by the Doctor and Evelyn Smythe, Knox was seemingly killed by the Indo. Knox escaped however, in the body of another human. (BFA: Assassin in the Limelight)

Appearance
Knox wore a silk cravat and wore a cardigan at the Charge of the Light Brigade. (BFA: Assassin in the Limelight)