Bram Jan Loopstra (1925 – 1979) was a Dutch computing pioneer who worked at the

Mathematisch Centrum The (abbr. CWI; English: "National Research Institute for Mathematics and Computer Science") is a research centre in the field of mathematics and theoretical computer science. It is part of the institutes organization of the Dutch Research Co ...

Amsterdam Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the Capital of the Netherlands, capital and Municipalities of the Netherlands, most populous city of the Netherlands, with The Hague being the seat of government. It has a population ...

and then at

Electrologica N.V. Electrologica was a pioneering Dutch computer manufacturer from 1956 to 1968, when it was taken over by Philips. It was started by A. van Wijngaarden, B.J. Loopstra and C.S. Scholten from the Mathematisch Centrum (Mathematical centre) in Am ...

with

Adriaan van Wijngaarden Adriaan "Aad" van Wijngaarden (2 November 1916 – 7 February 1987) was a Dutch mathematician and computer scientist. Trained as an engineer, Van Wijngaarden would emphasize and promote the mathematical aspects of computing, first in numerical an ...

Carel S. Scholten Carel S. Scholten (Amsterdam, 1925 – 2009) was a physicist and a pioneer of computing. He went to the Vossius Gymnasium in Amsterdam and then studied physics from 1945 to 1952 at the University of Amsterdam. In 1947 he was asked by the Dutch ...

and

Gerrit Blaauw Gerrit Anne "Gerry" Blaauw (July 17, 1924 – March 21, 2018) was a Dutch computer scientist, known as one of the principal designers of the IBM System/360 line of computers, together with Fred Brooks, Gene Amdahl, and others.

. From 1956 until at least 1963 he was technical director of Electrologica.Nederlands eerste computerindustrie: van Electrologica tot Philips-Electrologica
At his death after a long illness on March 22, 1979, he was adjunct director of the Philips International Institute.Obituary
in Nieuwe Leidsche Courant, 23 March 1979. At the Mathematisch Centrum he contributed to the ARRA I and II and ARMAC.

Selected publications

* Loopstra, B. J. "Logische synthese van rekencircuits." ''Stichting Mathematisch Centrum. Zuivere Wiskunde'' ZW 10/52 (Actualiteiten) (1952): 1-7. * Loopstra, B. J. "The X—1 Computer." ''The Computer Journal'' 2.1 (1959): 39-43. * Loopstra, B. J. "Input and output in the X-1 system." ''COMMUNICATIONS OF THE ACM.'' Vol. 2. No. 7. 1959.

References

Dutch computer scientists 1925 births 1979 deaths Philips employees University of Amsterdam alumni 20th-century Dutch scientists {{Netherlands-bio-stub