[3] They were "early champions " of artists including Sigmar Polke, Gerhard Richter, Christopher Wool and Anselm Kiefer.

[8] Each daughter received roughly half (by value) of their parents' collection and in May 2017 held rival sales, Pamela with Christie's, Lise with Sotheby's.

[9] Lise only auctioned one work, Jean-Michel Basquiat's 1982 Untitled, which her parents had bought for $19,000 in 1984; it sold for $110.5 million to Japanese billionaire entrepreneur and art collector Yusaku Maezawa.

[9][12][13] In 1953, they founded the Jerry and Emily Spiegel Family Foundation, which funded charitable, community and educational projects across Long Island.

[14] The Foundation is responsible for the Jerry and Emily Spiegel Theater at Hofstra University, and a wing at Long Island Jewish Medical Center.