ion dramatically enlarges the Foundation's permanent collection, giving it great depth in works by American postwar masters Carl Andre, Dan Flavin, Robert Ryman, and Richard Serra, among others. 1991-92 Agreements are signed between the Basque Administration and the Solomon R. Guggenheim Foundation to crea

mberg https://www.bloomberg.com/view/articles/2014-11-14/why-pay-15-m=llion-for-a-white-canvas Why Pay $15 Million for a White Canvas? A canvas by Robert Ryman fetched $15 million =t auction this week, creating a milestone in the history of =hite- on-white painting. More stories by Leonid BershidskyNovember