Question: What non-profit organization was co founded by the owner of the UC3 Nautilus?
Sentence (from "Death of Kim Wall"): On the night of 10–11 August 2017, Swedish freelance journalist Kim Wall disappeared while on board the "UC3 Nautilus", a privately-built midget submarine owned by Danish inventor Peter Madsen, in the bay of Køge, Denmark.
Relevant evidence: Yes