GaiusGAIUS (flourished AD 130-180) was an influential Roman jurist who wrote authoritative legislation that remained influential for centuries. His Institutes, written in AD 161, became the standard for the study of Roman law until the rule of Byzantine Eperor Justinian I in 527. Little is known of his personal life or surname, only that his writing was completed between AD 130 and AD 180. Read More Read Less