Kalandra (science officer)
Kalandra was the science officer on board the  in 2373. 

His wife was a Federation physician in charge of a battlefield hospital on Ajilon Prime during the 2373 Klingon invasion. That year, when Julian Bashir mentioned that the Tecumseh and the  were heading up the fleet involved in a counterattack, Dr. Kalandra mentioned her husband was serving on the Tecumseh, prompting Bashir to reassure her that the ship's commanding officer Captain Raymond had gotten the ship through the Cardassian Wars and wouldn't lose it now. ()

Humans
Starfleet personnel (24th century)
Starfleet sciences personnel