Long after Jeffrey Epstein was known as a convicted sex offender, he was also a top contributor to an elite cluster of groups founded by Harvard University students. For years, he was able to fill a table with “girls” at an annual gala that featured celebrities, billionaires and cultural luminaries. Annual donations of at least US$50,000 to the Hasty Pudding Institute of 1770 – a non-profit umbrella for a social club, theatre troupe and a cappella singers – qualified him as a “Guardian of the...