Hilma Af Klint - The Dove No. 1

Group IX/UW No. 25 The Dove No. 1 by Hilma af Klint, 1915. 

Hilma af Klint was a Swedish artist and mystic whose paintings were amongst the first abstract art. She belonged to a group called 'The Five' and the paintings or diagrams were a visual representation of complex philosophical ideas.