Catullus served under which governor in Bithynia?

Catullus served under Gaius Memmius during the poet's time in Bithynia. Memmius was appointed as governor of Bithynia and is mentioned in Catullus' poems, particularly in a way that reflects Catullus' personal experiences and emotions related to his service. The relationship between a poet and a patron or governor can be significant, as it often influences the themes and tones within the poet’s work.

The other individuals listed, such as Pompey, Cicero, and Julius Caesar, held substantial political positions and were certainly significant figures in Roman history. However, none of them were associated with Bithynia as Catullus’ direct superior, making Gaius Memmius the correct and relevant choice connected to Catullus' biography and experiences during that period. The ties between Catullus and Memmius provide insight into the poet’s literary output and his social standing during his life in Rome and its provinces.