Captain Richardson was a notable Starfleet officer during the 24th century.
Richardson was one of many future captains advised by Boothby, Starfleet Academy's groundskeeper.
A member of Species 8472 impersonating Valerie Archer noted to Chakotay that "half the Captains in Starfleet wouldn't be where they are today if it weren't for Boothby," including Richardson. (VOY: "In the Flesh")
This character was only mentioned in dialogue.