Katarina Taikon-Langhammer (29 July 1932 – 30 December 1995) was a Swedish Romani activist, leader in the civil rights movement, writer and actor, from the Kalderash sub group. She was the sister of Rosa Taikon. She has been called the Martin Luther King of Sweden. Family background. Taikon's grandparents, Cori Caldares and his wife, came to Sweden with their twelve children at the turn of the century. They adopted the surname Taikon as it was already common in Romani communities, allowing them to avoid revealing they had recently immigrated.
https://en.wikipedia.org/wiki/Katarina_Taikon