An Old-School Social Network

In 1957, as men in their late 20s, they began meeting—initially over breakfast, then over dinners held at the Sherry-Netherland Hotel or at the Harvard Club in midtown Manhattan. Few were born to means. Many were sons of immigrants. Most went on to become luminaries in their fields—presidents of television networks, partners at banks, editors of magazines.

On occasion, they shared their influence with one another. When member Mort Janklow made a career switch from corporate attorney to literary agent, a fellow member, columnist William Safire, offered himself as a famous first client. When Robert Menschel, a senior director at Goldman Sachs Group Inc., was considering deals involving large consumer companies such as Procter & Gamble, he would pick the brain of fellow club member Ed Meyer, the former chief executive of Grey Advertising