Henk Joseph Maria (Henk) Lombaers (

Doorn Doorn is a town in the municipality of Utrechtse Heuvelrug in the central Netherlands, in the province of Utrecht. History In a document from 885 to 896, the settlement is called "Thorhem", dwelling of Thor, the God of Thunder. Vikings quarte ...

, 1920 – 29 August 2007) was a Dutch

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

, Professor at Delft University of Technology and a pioneer in the field of

operations research Operations research ( en-GB, operational research) (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve deci ...

in the Netherlands.

Life and work

Lombaers undertook

teacher training Teacher education or teacher training refers to programs, policies, procedures, and provision designed to equip (prospective) teachers with the knowledge, attitudes, behaviors, approaches, methodologies and skills they require to perform their t ...

, and earned a degree in mathematics. From 1945 to 1956 he employed by the

Royal Netherlands Army The Royal Netherlands Army ( nl, Koninklijke Landmacht) is the land branch of the Netherlands Armed Forces. Though the Royal Netherlands Army was raised on 9 January 1814, its origins date back to 1572, when the was raised – making the Dutc ...

, where he was involved in the introduction of radar-aircraft artillery. In 1956 he joined

Koninklijke Hoogovens Koninklijke Hoogovens known as Koninklijke Nederlandse Hoogovens en Staalfabrieken (KNHS) until 1996 or informally Hoogovens. was a Dutch steel producer founded in 1918. Since 2010, the plant is named Tata Steel IJmuiden. The IJmuiden steelwor ...

as operational researcher. At Hoogovens he conducted research in the transhipment capacity of the port installations using computer simulations. He also looked into the statistical aspects of simulation.H.J.M. Lombaers (1968). "Enige statistische aspecten van simulatie". In: ''Statistica Neerlandica'' 22 (1968) 249–255 In 1968 he was appointed Professor of Quantitative Aspects of Business Administration at the Technical University of Delft, where he held his inaugural address on "Voorzien en verzinnen (Forecast and making up facts). In 1985 he retired with the speech, entitled "Daar moet je maar niet te hard op rekenen" (You shouldn't count on it too much). In Delft Lombaerts was succeeded by Joop Evers, who had been Professor at the

University of Twente The University of Twente (Dutch: ''Universiteit Twente''; , abbr. ) is a public technical university located in Enschede, Netherlands. The university has been placed in the top 170 universities in the world by multiple central ranking tables. ...

. The PhD students under Lombaers were Jack P.C. Kleijnen (Emeritus Professor of Simulation and Information Systems at Tilburg University (TiU), who graduated in 1971, Hendrik van der Meerendonk also in 1971, Johannes Botman in 1981, and

Jaap van den Herik Hendrik Jacob (Jaap) van den Herik (born 8 October 1947 in Rotterdam) is a Dutch computer scientist, and professor at the University of Leiden, known for his contribution in the fields of computer chess and artificial intelligence. Biography Va ...

in 1983.

Selected publications

* 1968. ''Voorzien en verzinnen''. Rotterdam : Universitaire Pers Rotterdam * 1969. ''Trio-logie: Variaties over een thema uit de bedrijfsleer''. With

Pierre Malotaux Pierre Charles-André Malotaux (28 April 1923 – 14 February 2016) was a Dutch organizational theorist, business consultant, and Professor of Business Administration at the Delft University of Technology. His is known with Jan in 't Veld for devel ...

and

Jan in 't Veld Jan in 't Veld (16 December 1925 – 27 January 2005) was a Dutch aerospace engineer and professor of industrial organization at the Mechanical Engineering Department of the Technical University of Delft. In the Netherlands he was one of the pionee ...

. * 1969. ''Operationele research in Nederland''. Het Spectrum. * 1970. ''Project planning by network analysis; proceedings of the second international congress Amsterdam, The Netherlands, 6–10 October 1969.'' H.J.M. Lombaers (ed.). * 1985. ''Daar moet je maar niet te hard op rekenen''. Delftse Universitaire Pers * 1985. ''Operations research : praktijk en theorie : symposium ter gelegenheid van het afscheid van prof. H.J.M. Lombaers gehouden op 6 juni 1985 te Delft.'' Wil Heins (ed.). Delftse Universitaire Pers.

References

External links

* {{DEFAULTSORT:Lombaers, Henk 1920 births 2007 deaths Dutch mathematicians Dutch operations researchers Delft University of Technology faculty People from Doorn Royal Netherlands Army personnel