Marisa Merz (May 23, 1926-July 20, 2019) was an Italian artist and sculptor. In 2013 she was awarded the Golden Lion for Lifetime Achievement at the Venice Biennale.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Marisa_Merz

Untitled (Living Sculpture) by Marisa Merz
1966 / Aluminium / Overall displayed dimensions variable / Tate London, UK

Marisa Merz on Artnet: http://www.artnet.com/artists/marisa-merz/

Further reading:
https://awarewomenartists.com/en/artiste/marisa-merz/
https://news.artnet.com/art-world/marisa-merz-obituary-1606417
https://philamuseum.org/calendar/exhibition/marisa-merz