Adám Brudzewsky

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During APL86 at age 1

Adám Gall Brudzewsky is a lifelong APL programmer, founder of the APL Orchard, and the creator of Extended Dyalog APL and APLcart. An employee of Dyalog Ltd., Brudzewsky has made several contributions to the Dyalog APL language in addition to his work on components of the interpreter written in APL such as user commands.

History

Brudzewsky was taught APL by his father, Henri Brudzewsky, and preferred it to mathematical notation as a student. He was hired by Dyalog Ltd. in May 2015[1], and worked closely with Dan Baronet[2]. Brudzewsky quickly had an impact on the langauge, suggesting the Nest (⊆), or Enclose if Simple, primitive[3] and later working to design Dyalog's array notation.

Since creating it in 2018, Brudzewsky maintains Extended Dyalog APL, a cover over Dyalog APL which uses APL models to extend existing primitives and implement new ones. The extensions include both functionality taken from other APLs and new functionality, and are sometimes adopted by Dyalog or dzaima/APL. The Constant operator appeared first in Extended Dyalog, as did the versions of Atop (⍤) and Over (⍥) later implemented by Dyalog (Brudzewsky's changes relative to Sharp APL were to exchange the glyphs, and remove the concept of close composition). dzaima/APL has adopted Extended Dyalog's Pair (⍮), Select (⊇), and Reverse Compose (⍛).

Activities

Brudzewsky is active Stack Exchange's Code golf site (as Adám), where he started the APL Orchard chat room in 2017, and where he often invites and welcomes newcomers, as well assisting existing users with technical and programming help. Through this, he was involved in Dyalog's hiring of interns Marinus Oosters[4], Will Robertson, as well as employees Nathan Rogers[5], Rodrigo Girão Serrão (who started as an intern)[6], and Karta Kooner[7].

Brudzewsky frequents BAA sessions and often presents at Dyalog webinars and user meetings, where he usually leads at least one workshop, in addition to leading corporate workshops and presenting APL at schools. He occasionally broadcasts live programming sessions on Twitch. In 2021, Brudzewsky began as a recurring panellist on the Array Cast podcast, and started the APL Campfire meetup.

Publications

Dyalog user meetings

Dyalog Webinars

Other talks

References

  1. ↑ Dyalog Ltd. DYALOGue Newsletter. "May we introduce Adám Brudzewsky – the newest member of the Dyalog Tools Group". Summer 2016.
  2. ↑ Brudzewsky, Adám. Tribute in Daniel Baronet 1956 – 2016.
  3. ↑ Scholes, John. n_eis from the dfns workspace.
  4. ↑ Dyalog Ltd. Blog. "Winning the APL Programming Contest – Bioinformatics Category". October 11, 2016.
  5. ↑ Dyalog Ltd. Blog. "Welcome Nathan Rogers". August 13, 2019.
  6. ↑ Dyalog Ltd. Blog. "Welcome Rodrigo Girão Serrão". March 9, 2021.
  7. ↑ Dyalog Ltd. Blog. "Welcome Karta Kooner". August 23, 2021.
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