Matthew Bannister on

Doreen Lofthouse, the Lancashire businesswoman who took Fisherman’s Friends lozenges from a Fleetwood chemist’s shop to a multi-million pound international company.

Dr Chris Doake, the glaciologist who was able to predict with great accuracy the break-up of the Antarctic ice shelf.

Barbara Hosking, who served as a Downing Street press officer under both Harold Wilson and Ted Heath and came out as a lesbian in her nineties.

Bernice Cohen, the self-taught investor who became a TV star.

Producer: Neil George

Interviewed guest: Duncan Lofthouse

Interviewed guest: David Pearce

Interviewed guest: Dr Andy Smith

Interviewed guest: Iain Dale

Interviewed guest: Lawrence Lever

Archive clips used: Women of the Year: BBC One, TX 16.10.1989; Government ad re preparations for the European Single Market: BBC One, TX 12.7.1990; Horizon: Antarctica - Ice Station Rescue: BBC Two, TX 5.2.2018; The Emma Barnett Show: Radio 4, TX 14.2.2018; The Morning Show: BBC One, TX 14.2.2003; Woman’s Hour: Radio 4, TX 4.6.1999