The late Michelle Trachtenberg, like Mara Wilson, will probably always be best known for her work as a child star. Trachtenberg was Harriet The Spy; Wilson was Matilda. The two connected while on press tours for their 1996 films and formed a friendship with a group of other child stars, including Jonathan Taylor Thomas, Rider Strong, Raven-Symoné, Mae Whitman, the Carney siblings, the Mowry siblings, and more. Following Trachtenberg’s death last month, Wilson has a new essay in Vulture sharing...