Walker Keel

Walker Keel was a human Starfleet officer in the 24th century. Early in his career, Keel was the closest of friends with fellow officers Jean-Luc Picard and Jack Crusher.

In 2364 when an alien conspiracy threatened Starfleet, Keel was the captain of the starship USS Horatio. The ship was lost with all hands during the aliend conspiracy. (TNG: "Conspiracy")