Dent Arthur Dent was a Human who was employed at the Sirius Cybernetics Corporation in the mid-24th century.
In 2364, prior to stardate 41775, he sent a mission order to Captain Douglas Adams of the USS Heart of Gold about the survey of Sector 500. (TNG: "Conspiracy")
The character was never mentioned in dialog; the name came from a mission order.
The stardate on which this order was sent was illegible.