 The second-longest-lasting light bulb is in Fort Worth, Texas.The bulb, known as the Eternal Light, was credited as being the longest-lasting bulb in the 1970 edition of the Guinness Book of World Records, two years before the discovery of the Livermore bulb.It was originally at the Byers Opera House, and was installed by a stage-hand, Barry Burke, on September 21, 1908, above the backstage door.