In 2540, a scientific group of no more than twelve grey Daleks, led by a Dalek Section Leader, attempted to learn the technique of invisibility from the natives of Spiridon, operating from a laboratory. (TV: Planet of the Daleks)
Prior to the Last Great Time War, a Dalek Scientist was responsible for providing Dalek Sec, named by the Emperor as leader of the Cult of Skaro, with a new, unique casing composed of Metalert. (PROSE: Birth of a Legend)
As pointed out by the War Doctor on Asteroid Theta 12, Dalek Scientists during the Last Great Time War possessed distinctive markings on their casings, with blue-coloured domes and sensor globes. (AUDIO: A Thing of Guile)
Behind the scenesEdit
A Dalek Scientist action figure was released alongside the War Doctor in the The War Doctor and Dalek Scientist Action Figure Set, one of three Big Finish-inspired sets which were released by Character Options in August 2019.