Jim Hall, writes Terry Teachout, is our greatest living jazz guitarist. But he’s not exactly a household name. “To be sure, Mr. Hall, who turns 73 next month, is nobody’s idea of a natural celebrity. Bald, bespectacled and soft-spoken to a fault, he looks less hip than shyly professorial. His intensely intimate music gets under your skin rather than grabbing you by the lapels. Given sufficient time, though, such artists have a way of evening the odds. Today, the National Endowment for the Arts names Mr. Hall an NEA Jazz Master, an honor accompanied by a check for $25,000.”