Bram Jan Loopstra

Bram Jan Loopstra (1925 – 1979)¹² was a Dutch computing pioneer who worked at the Mathematisch Centrum, Amsterdam³ and then at Electrologica with Adriaan van Wijngaarden, Carel S. Scholten and Gerrit Blaauw.⁴ From 1956 until at least 1963 he was technical director of Electrologica.⁵ At his death after a long illness on March 22, 1979, he was adjunct director of the Philips International Institute.²

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

Amsterdam Archive Cards
Obituary in Nieuwe Leidsche Courant, 23 March 1979.
Unsung Heroes in Dutch Computing History — Carel S. Scholten and Bram Jan Loopstra Archived 2019-02-16 at the Wayback Machine — Illustrated report of his work at the TU Eindhoven
Baayen, P. C., and J. Nuis. "In Memoriam A. van Wijngaarden 1916-1987 Archived 2014-10-11 at the Wayback Machine."
Nederlands eerste computerindustrie: van Electrologica tot Philips-Electrologica (in Dutch)

[1] Amsterdam Archive Cards

[nlc-2] Obituary in Nieuwe Leidsche Courant, 23 March 1979.

[3] Unsung Heroes in Dutch Computing History — Carel S. Scholten and Bram Jan Loopstra Archived 2019-02-16 at the Wayback Machine — Illustrated report of his work at the TU Eindhoven

[4] Baayen, P. C., and J. Nuis. "In Memoriam A. van Wijngaarden 1916-1987 Archived 2014-10-11 at the Wayback Machine."

[5] Nederlands eerste computerindustrie: van Electrologica tot Philips-Electrologica (in Dutch)

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