High Quality Content by WIKIPEDIA articles! Robert Manning (1816-1897) was an Irish engineer. He is known for creation of the Manning formula. Manning was born in Normandy, France, in 1816, a year after the battle of Waterloo, in which his father had taken part. He died in 1897. In 1826, he moved to Waterford, Ireland, and worked as an accountant. In 1846, during the year of the great famine, Manning was recruited into the Arterial Drainage Division of the Irish Office of Public Works. After working as a draftsman for a while, he was appointed an assistant engineer to Samuel Roberts later that year. In 1848, he became district engineer, a position he held until 1855. As a district engineer, he read "Traite d'Hydraulique" by d'Aubisson des Voissons, after which he developed a great interest in hydraulics.

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