Each signature may be linked to the others by up to 53 thematic connections. Some are common to many signatures; others highlight unusual, yet notable, associations and interests. Friendships are not represented because so many signers were friends. Go to "The Bohemians" to view and interact with all 53 connections.
Silent films were coming into maturity in the years of the bookshop, and some of the individuals who signed the door worked in the industry at this time or even earlier. But many more were active in the theater scene in the 1920s and brought the skills gained in that field to Hollywood later in their careers. Screenwriters and producers predominate in this group.