Edwin Samuel Crump CIE (born 6 July 1882, died 5 March 1961) was an English civil engineer specialising in hydraulics.

Early life and education

Crump was born in

Wolverhampton Wolverhampton () is a city, metropolitan borough and administrative centre in the West Midlands, England. The population size has increased by 5.7%, from around 249,500 in 2011 to 263,700 in 2021. People from the city are called "Wulfrunian ...

, Staffordshire, England, the youngest child of Charles Crump and Clara Annie Crump (nee Gittoes). His father Charles Crump was Chief Clerk, Northern Division, Great Western Railway Company, prominent football legislator and administrator, and committed

Methodist Methodism, also called the Methodist movement, is a group of historically related denominations of Protestant Christianity whose origins, doctrine and practice derive from the life and teachings of John Wesley. George Whitefield and John's b ...

. Edwin Crump was educated as a civil engineer at the Department of Engineering,

Imperial College Imperial College London (legally Imperial College of Science, Technology and Medicine) is a public research university in London, United Kingdom. Its history began with Prince Albert, consort of Queen Victoria, who developed his vision for a cu ...

Personal life

Crump married Helen Elizabeth Jefferis in 1913 and had two sons, Anthony Jefferis Crump (born 1914) and Colin Edwin Crump (born 1916).

Career and accomplishments

Crump joined the Indian Service of Engineers in 1906 and was based in Punjab Province,

British India The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance on the Indian subcontinent. Collectively, they have been called British India. In one ...

. Here he was engaged in irrigation projects of the Punjab Water Station. During World War I Crump served as an engineer in South Africa. Crump retired from the Indian Service of Engineers in 1937. After returning to England, Crump joined in 1949 the newly established

Hydraulics Research Station HR Wallingford was previously the Hydraulics Research Station (HRS). It was created by the UK Department of Scientific and Industrial Research in 1947. The Research Station was based in Wallingford, near Oxford. It was established to deal with “ ...

at Wallingford, Oxfordshire, part of the Hydraulic Research Organisation,

Department of Scientific and Industrial Research Department of Scientific and Industrial Research, abbreviated DSIR was the name of several British Empire organisations founded after the 1923 Imperial Conference to foster intra-Empire trade and development. * Department of Scientific and Industria ...

. In 1952 he was promoted to Senior Scientific Officer, retiring in 1956.

Honors and recognition

Crump was made

Companion of the Indian Empire The Most Eminent Order of the Indian Empire is an order of chivalry founded by Queen Victoria on 1 January 1878. The Order includes members of three classes: #Knight Grand Commander (GCIE) #Knight Commander ( KCIE) #Companion ( CIE) No appo ...

(CIE) at the

King's Birthday Honours The Birthday Honours, in some Commonwealth realms, mark the reigning British monarch's official birthday by granting various individuals appointment into national or dynastic orders or the award of decorations and medals. The honours are present ...

of 1936 for his work with the Indian Service of Engineers as Superintending Engineer, Public Works Department (Irrigation Branch), Punjab Province. Edwin Samuel Crump was the inventor of the Crump weir that is named for him. The Crump weir is a two dimensional triangular

weir A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of l ...

with a horizontal crest in the transverse direction and a triangular crest shape in the stream-wise direction. Crump weirs are used as measuring structures in open channels.

Publications

Crump published a number of seminal papers in the field of hydraulics, including methods to accurately measure stream flow by means of the Crump weir, design of steeply graded pipelines, and vortex-siphon spillways.{{Cite journal, last1=Ackers, first1=P., last2=Crump, first2=E.S., date=1960, title=The vortex drop., url=, journal=Proceedings of the Institution of Civil Engineers, volume=16, issue=4, pages=433–42, doi=10.1680/iicep.1960.11720

References

1882 births 1961 deaths English civil engineers Companions of the Order of the Indian Empire Imperial College Faculty of Engineering Hydraulic engineers