Land mine invention by the Polish officer Józef Kosacki. His invention, known as the Polish mine detector, was used by the Allies alongside mechanical methods, to clear the German mine fields during the Second Battle of El Alamein when 500 units were shipped to Field Marshal Montgomery's Eighth Army. The Nazis used captured civilians who were chased across minefields to detonate the explosives. According to Laurence Rees "Curt von Gottberg, the SS-Obergruppenführer who, during 1943, conducted another huge anti-partisan action called Operation Kottbus on the eastern border of Belarus, reported that 'approximately two to three thousand local people were blown up in
George Hay, 8th Marquess of Tweeddale George Hay, 8th Marquess of Tweeddale Field Marshal George Hay, 8th Marquess of Tweeddale (1 February 1787 – 10 October 1876) was a Scottish soldier and administrator. He served as a staff officer in the Peninsular War under Arthur Wellesley and was with Wellesley at the Second Battle of Porto when they crossed the Douro river and routed Marshal Soult's French troops in Porto. Hay also saw action at the Battle of Bussaco and at the Battle of Vitoria. He later served in the War of 1812 and commanded the 100th Regiment of Foot at the Battle of Chippawa when