http://www.denofgeek.com/tv/doctor-who/33496/doctor-who-how-ace-set-the-template-for-modern-companions
Sophie Aldred's Ace was a Doctor Who companion ahead of her time. We look back at the girl from Perivale's time in the TARDIS...by louisamellor
In 1987, Doctor Who broke the companion mould with Dorothy Gale McShane - better known of course as Ace - the streetwise, working class kid who blew up the school art room, and became the only cautioned arsonist to ever board the TARDIS.....