Corvina

From Tardis Wiki, the free Doctor Who reference

Corvina was Amtor's chief scientist. She had been assigned to catalogue the species of Venus which had seemed to appear out of nowhere. In fact, they were being released from the Cytherian cryogenic chambers. After six years of study, Corvina started to realise where they were coming from and planned to make an expedition to the caves where the chambers were. Queen Vulpina didn't want her secrets to come out, so she had Corvina killed and made to look like an accident. (AUDIO: Voyage to Venus)