an Entity references as follows:
Martin Simpson (20 November 1800 – 20 December 1892) was a British geologist working in the Whitby area of North Yorkshire, England. His major publications were: * A Monograph of the Ammonites of the Yorkshire Lias, 1843 * The Fossils of the Yorkshire Lias, 1855 * A Guide to the Geology of the Yorkshire Coast, 1856