The two-day Symposium at Guggenheim Museum New York is the culminant event of a multyear research project focused on the long term preservation and future exhibition of the Minimalist, Post-Minimalist and Conceptual artworks acquired by the Solomon R. Guggenheim Foundation from Giuseppe and Giovanna Panza di Biumo between 1990 and 1992.
https://www.guggenheim.org/conservation/the-panza-collection-initiative