Laurence Gardner, a Fellow of the Society of Antiquaries of Scotland, is a constitutional historian, international lecturer and broadcaster. Distinguished as the Chevalier Labhràn de St. Germain, Laurence Gardner is Presidential Attaché to the European Council of Princes and the appointed Jacobite Historiographer Royal.

As a worldwide emissary for the Royal House of Stewart, Sir Laurence Gardner is Prior of the Sacred Kindred of Saint Columba, a Knight Templar of St. Anthony and Envoy to the Grand Protectorate of the Imperial Dragon Court of Hungary.

In the artistic domain, Laurence Gardner has been Conservation Consultant to the Fine Art Trade Guild, while in the world of music and the performing arts, his libretto compositions have been performed at London's Royal Opera House, Covent Garden. Laurence Gardner's writing career has included collaborative projects with national institutions such as the British Tourist Authority, the Government of Ontario and the Russian Ministry of Culture.

In the popular literary world, Laurence Gardner is an internationally acclaimed author with national press serialization and published works in many languages. They include the Top-10 Bloodline of the Holy Grail, which gained a UK Author of the Year award, along with the international bestsellers Genesis of the Grail Kings and Realm of the Ring Lords. His English-language publishers include Transworld, Bantam Books, Penguin Books, Element Books, Barnes & Noble, Fair Winds Press and HarperCollins. His latest work, Lost Secrets of the Sacred Ark, is published by HarperCollins (February 2003). See under New Book.