 Complete the following phrase:  Educated at Dulwich College, Gillman was commissioned into the Royal Field Artillery in July 1889. He was promoted to lieutet on 27 July 1892, and to captain supernumerary to the establishment on 9 October 1899. He served in the Second Boer War 18991900, where he took part in the Relief of Kimberley, and the following battles of Paardeberg late February 1900, 