Siri Karin Derkert (30 August 1888 – 28 April 1973) was a Swedish artist and sculptor. She was also a strong advocate for peace, feminism and environmental issues. Life and education. Derkert was born on 30 August 1888 in the parish of Adolf Fredrik Church in Stockholm. She was one of seven children of merchant Carl Edward Johansson Derkert and Emma Charlotta Valborg, born Fogelin. She received her first artistic education at the Caleb Althin school of art in Stockholm, where she started in 1904. She went on to the Royal Institute of Art in 1911–13.
https://en.wikipedia.org/wiki/Siri_Derkert