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day and night. They kept their notes in duplicate in separate locations to prevent them from being lost in the event of a disaster. During the development of the compiler, both developers grew beards. They agreed not to shave until compiler development was completed. Nothing was agreed as to what
59:(later the Center for Mathematics and Computer Science) in Amsterdam. As a scientific assistant, he was responsible for converting calculation assignments into formulas that were then initially performed by people on a desk calculator.
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The compiler was completed on 24 August of that year, making it the world's first ALGOL 60 compiler. The compiler was developed for the X1 computer from
Electrologica. The code is preserved in F.E.J. Kruseman Aretz's book
47:). In 1948 he obtained his bachelor's degree in mathematics and physics; in 1954 he received a doctorate in numerical mathematics, and in 1964 a promotion with the thesis "Automatic Numerical Integration".
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Zonneveld met the mathematician Reina Mulder (1931-2009) at the
Mathematics Center, whom he would later marry. Together they had 3 children. Jacob Anton Zonneveld passed away in 2016.
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would happen after the completion; Dijkstra kept a beard for the rest of his life and
Zonneveld shaved his off after a while.
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Zonneveld's interest in the practical application of mathematics grew in
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173:"The Dijkstra-Zonneveld ALGOL 60 compiler for the Electrologica X1"
19:(2 June 1924 – 22 December 2016) was a Dutch programmer who, with
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In 1965, he headed a software research group at
Philips' NatLab.
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started developing a compiler for the programming language
130:. MC Tracts. Centrum Voor Wiskunde en Informatica.
39:in order to be able to predict the place where a
110:this page is developed based on the Dutch page
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157:The reason for the beards is explained in a
159:letter Dijkstra wrote to Maarten van Emden
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124:Zonneveld, Jacob Anton "Jaap" (1964).
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55:Zonneveld worked from 1948 at the
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171:Aretz, F.E.J. Kruseman (2003).
127:Automatic Numerical Integration
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17:Jacob Anton "Jaap" Zonneveld
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218:Dutch computer programmers
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114:and other sources.
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180:. Retrieved
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37:World War II
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208:2016 deaths
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43:will land (
197:Categories
182:2022-08-27
98:References
45:ballistics
27:compiler.
143:27 August
31:Education
213:ALGOL 60
90:Personal
79:ALGOL 60
69:ALGOL 60
25:ALGOL 60
161:in 2000
41:grenade
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145:2022
132:ISBN
177:CWI
57:CWI
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.