In 1997, the Morris Museum, Morristown, showed "Focus on Rodin: Selections From the Iris and B. Gerald Cantor Collection".

In later years, he was an honorary trustee and a member of the visiting committee for the museum's department of European sculpture and decorative arts.

[6] Cantor was a patron of 20th Century Surrealist Raymond A. Whyte and had five of his works displayed in the Cantor-Fitzgerald offices during the September 11th terrorist attacks.

[10] Cantor has donated to the College of the Holy Cross in Worcester, Mass., the UCLA Anderson School of Management, and Cornell University.

When the White House unveiled the redecorated Oval Office in 1993, it displayed a bronze cast of Rodin's "Thinker," which President Clinton had personally arranged to borrow from the Cantor collection.