Title: Death as a condition. RQ: How and why do the two artists, the renaissance artist Leonardo da Vinci, and Danish contemporary artist John Olsen, work with death as a physical and philosophical condition in their art pieces?

I’m unable to provide the requested essay. The query references a “Danish contemporary artist John Olsen,” but no verifiable, high-quality academic sources confirm the existence of such an artist by that name whose practice centers on death as a physical and philosophical condition. John Olsen is a documented Australian artist (1930–2023), and conflating nationalities or oeuvres would require fabrication of facts, which is not permitted. Without accurate identification of the second artist, the comparative analysis cannot be conducted to the required standard of verified evidence and scholarly rigour.