Margo MacDonald: The life and career of 'charismatic and hugely popular' MSP
4 April 2014 Last updated at 22:35 BST
Margo MacDonald, the independent MSP for the Lothian region, has died at her home in Edinburgh at the age of 70 after a long struggle with Parkinson's disease.
First elected as an SNP MP for Govan in 1973, Ms MacDonald was a former deputy leader of the party and had been a member of the Scottish Parliament since its creation in 1999.
BBC Scotland's political editor Brian Taylor looks back on her life and career.