Escher
Ensign Escher was a Starfleet medic assigned to the sickbay aboard  under Doctor T'Ana. 

In 2381, Escher cured Captain Carol Freeman of Terellian Death Syndrome on account of being, "in the right place with the right hypospray." For their actions, Escher was given a promotion, much to the dismay of fellow medic D'Vana Tendi. ()

Individuals
USS Cerritos personnel
Starfleet sciences personnel