sentences:  As army surgeon, he served in the Peninsular campaign, and his work there won the praise of the Duke of Wellington.In 1816 he began a series of lectures in surgery to the officers of the army and navy, which he continued for nearly 30 years.In 1824 he became a member of the council of the Royal College of Surgeons, of which he was three times president, and also professor in 1818–1831.