Tarmac Group 1964, now group managing director, Martin acquired key quarrying assets, including Cliffe Hill Granite, Rowley Regis Granite and Hillhead Hughes. In 1968, Martin engineered the three way merger between Tarmac, Derbyshire Stone and the Scottish Asphalt company, William Briggs, creating the country's "largest roadstone and construction group". The group was briefly known as Tarmac Derby but the Derby name was later dropped. Further acquisitions were to come. Permanite, Britain's biggest roofing felt manufacturer, and Limmer, a quoted asphalt company, were bought in 1971, while the 1973 purchase of Mitchell Construction (which had foundered on the Kariba Dam) strengthened the construction
Luther Fuller He was praised by Capt. T. J. Titus (one of the few survivors) when he testified before the Coroner's Inquest at Buffalo, New York. He stated: "I think Fuller remained at the wheel and never left it until burned to death; he was always a resolute man in obeying orders". Titus in his testimony did not specify what Fuller's given name was. When Fuller's body was recovered, the Erie "Gazette" called him "Luther" Fuller instead of his real name. It was later established that the Buffalo "Commercial Advertiser " had previously incorrectly written his name. The anonymous prose sketch entitled