Alexandre Berthier, a former engineer who had fought in the American War of Independence, was now Napoleon’s chief-of-staff, a position he was to retain until 1814. Berthier had fought well in the Argonne campaign in 1792 and in the Vendée over the next three years, and his brother had been in the Topographical Bureau with Napoleon. Napoleon was the first commander to employ a chief-of-staff in its modern sense, and he couldn’t have chosen a more efficient one. With a memory
Chief of Staff important
