Complex sentence: He was educated at Winchester College (of which he later became a Fellow), and the Royal Military Academy, Woolwich, and served in the Royal Artillery between 1893 and 1897 and in the Indian Army from 1897.
Split into simpler sentences: He was educated at Winchester College (of which he later became a Fellow), and the Royal Military Academy, Woolwich. Wigram served in the Royal Artillery between 1893 and 1897 and in the Indian Army from 1897.