L. White was a Human Starfleet officer in the 22nd century.
In 2151, she was listed as a member of the Flight Test Crew on the dedication plaque of the Enterprise NX-01. (ENT: "Broken Bow", dedication plaque)
In 2154, she was listed as an Environmental Systems officer on the dedication plaque of the Columbia NX-02. (ENT: "Affliction", dedication plaque).