Mott MacDonald a British civil engineer and later politician. The company formed out of affairs relating directly to British infrastructure development in Egypt between 1890 and 1930, in particular MacDonald's involvement with Aswan Low Dam, starting in 1898. MacDonald was involved in the original construction of the Aswan Dam and later became an advisor to the Egyptian Ministry of Public Works after the dam was completed in 1902. He became closely associated with the development and first heightening of the Aswan Low Dam for the development of hydroelectricity. MacDonald retired from his service with the Egyptian government in 1921 and returned to
Aswan Low Dam on 10 December 1902, by HRH the Duke of Connaught and Strathearn. The project was designed by Sir William Willcocks and involved several eminent engineers of the time, including Sir Benjamin Baker and Sir John Aird, whose firm, John Aird & Co., was the main contractor. Capital and financing were furnished by Ernest Cassel. The Old Aswan Dam was designed as a gravity-buttress dam; the buttress sections accommodate numerous gates, which were opened yearly to pass the flood and its nutrient-rich sediments, but without retaining any yearly storage. The dam was constructed of rubble masonry and faced with red ashlar