Frozen 2: With its message of girl power, who are the real life role models for today's youth?

Suzanne harrington To the fizzing excitement of millions of tweens everywhere, the Disney movie Frozen II is almost upon us. This time Elsa and Anna will take off somewhere even more frozen, accompanied by a freezer full of songs and Olaf the snowman. Cue merchandising tsunami. As before, it’s the sisters who are the stars of the show; there is no male lead. No prince, no hero, no rescuer. The heroines are self-rescuing.

Frozen II, and its message of female empowerment, is coming to cinemas. Ahead of its release, Suzanne Harrington profiles the real-life feminist heroes changing the world