From The public is invited to hear Emile Griffin explore the lives and friendship of best-selling authors J.R.R. Tolkien and C.S. Lewis in a lecture set for Thursday at the Alexandria Museum of Art. The lecture, sponsored by Louisiana State University at Alexandria, is set for 6:30 p.m. Thursday at the museum, the university has announced. There is no admission charge. Griffin, a native of New Orleans, is a professional writer and editor who began her career in advertising before eventually ending up in the literary world. Once named Advertising Copywriter of the Year by the Advertising Club of New Orleans, Griffin now focuses on writing about Christian spirituality. She has authored 15 books on this topic. She is editor of the HarperCollins Spiritual Classics. She and her husband, William Griffin, an authority on C.S. Lewis, were founding members of the Chrysostom Society, a national writers group formed in the 1980s. For more information, call Dr. Eamon Halpin at (318) 473-6581.