Ronson

Ronson was a Kaled scientist who worked at the bunker underneath the Kaled dome. He helped the Fourth Doctor and his companions escape captivity. He was soon seen as a traitor to Davros and was exterminated by the Daleks at his orders. (DW: Genesis of the Daleks)

Behind the Scenes

 * Ronson was technically the first victim of the Daleks, in chronological terms.