Came across the following while researching Stephen Friedman (Bush Econ adv among several things. He was member of Cornell University's Quill and Dagger Society.
Personally know very little of these people. Could be another place to look since we are on the S&B route.
Madonna pic here
https://12160.info/profiles/blogs/madonna-hobnobs-with-a-member-of-quill-dagger-at-met-ball