Lygia Pape was a Brazilian visual artist, sculptor, engraver, and filmmaker, who was a key figure in the Concrete movement and a later co-founder of the Neo-Concrete Movement in Brazil during the 1950s and 1960s. Along with Hélio Oiticica and Lygia Clark, she was an important artist in the expansion of contemporary art in Brazil and pushed geometric art to include aspects of interaction and to engage with ethical and political themes.