Robert L.D. Cooper is a Scottish Freemason and curator of the Grand Lodge of Scotland Museum and Library in Edinburgh. He is the keeper of the oldest Lodge records in the world dating from 1599. He writes and broadcasts on all aspects of Freemasonry, and has lectured on the topic throughout the world. He is the author of many books, including The Rosslyn Hoax? and Cracking the Freemason's Code. He lives in Edinburgh, Scotland.