Dan and Becky Okrent spent seven years on the Met Project, a labor of love that took them from ancient Sumer to Synchronism.

Zwerin pieced together “Gimme Shelter” in a cruddy room at the Londonderry Hotel, the film cannisters piled on windowsills.

Meta Vaux Warrick Fuller was a protege of Auguste Rodin and shaped the Harlem Renaissance. The African American Museum in ...