Edsger Wybe Dijkstra was a Dutch computer scientist, programmer, software engineer, and science essayist.
Dijkstra in 2002
The Eindhoven University of Technology, located in Eindhoven in the south of the Netherlands, where Dijkstra was a professor of mathematics from 1962 to 1984.
The University of Texas at Austin, where Dijkstra held the Schlumberger Centennial Chair in Computer Sciences from 1984 until 1999.
Dijkstra at the blackboard during a conference at ETH Zurich in 1994. He once remarked, "A picture may be worth a thousand words, a formula is worth a thousand pictures."
Adriaan "Aad" van Wijngaarden was a Dutch mathematician and computer scientist. Trained as a mechanical engineer, Van Wijngaarden emphasized and promoted the mathematical aspects of computing, first in numerical analysis, then in programming languages and finally in design principles of such languages.
Adriaan van Wijngaarden