Multiple realities(covers information from several alternate timelines)
Alex Smutko (also known as Al Smutko) was a Human Starfleet officer in the 24th century.
In 2328, he boarded the SS Manila at Purser's Planet, bound for Delta Charnock IX. This information was part of a passenger manifest recorded in the commercial transport database and reviewed by Lieutenant Commander Data in 2370. (TNG: "Inheritance", okudagram)
In 2354, he was named as a Starfleet Operational Support Services officer on a directory placard at Starbase 32, Maxia sector. His room number was 45241. (TNG: "Violations", directory)
In the 2370s, he was named as a Yard Engineer on the dedication plaque of Federation starships. (VOY: "Caretaker", dedication plaque; VOY: "Message in a Bottle", dedication plaque)
In an unknown, alternate future timeframe, he was named as an Engineering Division officer on the dedication plaque of the USS Pasteur. (TNG: "All Good Things..." dedication plaque)
Alex Smutko, who was listed on various pieces of background artwork, was named for construction coordinator Al Smutko.