Memory Alpha
Memory Alpha

Losira was a female Kalandan, the commander of a Kalandan outpost who died around the 1st millennium BC. Before her death, she programmed the outpost's computer to use an image of her for defensive purposes.

The outpost was later discovered by the USS Enterprise in 2268 where it also discovered a computer programmed replica of Losira. (TOS: "That Which Survives")

Losira was played by actress Lee Meriwether.
In the Pocket TOS novel That Which Divides, Kirk fears that he will encounter her at the Kalandan archive on the planetoid Gralafi; this does not happen, as the facility appears to predate the Kalandan outpost.
The first draft script for That Which Survives calls her Osira and gives the name of her race as Thalassan.

External link