Hamburg Lispers Meetup is also indefinitely suspended. We are suspending all in-person meetings for the time being. For discussion of alternatives, or any other lispy topic, please also see our mailing lists, lisp-hh at common-lisp dot net, and berlin-lispers at common-lisp dot net. Stay safe and well!

Berlin Lispers Meetup is indefinitely suspended. No meetings in person for now.

Hamburg Lispers Meetup, Monday, 2nd March 2020 Greetings, Lisplings! Our monthly gathering in Hamburg takes place as usual on the first Monday of the month, on 2nd March 2020. We meet around 19:00 (_7 p. m._) at Ristorante Opera, Dammtorstr. 7. This is an informal event for all Lisp experience levels, and about any Lisp dialect. Come as you are, bring lispy topics.

Berlin Lispers Meetup, Monday, 24th February 2020 We meet again on Monday 8pm, 24th February. Berlin Lispers is about all flavors of Lisp including Clojure, Common Lisp, and Scheme. We have no talk announced for this time. We meet therefore for dinner at 3 Schwestern restaurant in Bethanien in Berlin-Kreuzberg. But there are plenty of Lisp talks this week in Berlin! Racketfest - https://racketfest.com :clojureD - https://clojured.de Bob2020 - https://bobkonf.de/2020/en/ And also Clojure data science [1] and the Clojure music gathering [2]. Most of the events will have official or unofficial pre and after dinners. [1] https://ti.to/scicloj/international-clojure-data-science-meetup-in-berlin [2] https://ti.to/audible-side-effects/audible-side-effects-2020 8pm 3 Schwestern, Mariannenplatz 2, Berlin-Kreuzberg, https://www.3schwestern.com/ It is located in 10min walking distance from U Görlitzer Bahnhof or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Berlin Lispers - Talk Announcement - Monday, 10th February 2020 Dietrich Koch aus der Abteilung des ehemaligen Zentralinstituts für Kybernetik und Informationsprozesse, welches die Lisp-Maschine in der DDR entwickelt hat, trägt heute über KI vor mit dem Titel "Künstliche Intelligenz besiegt Weltmeister. Ist sie deshalb intelligent?" 19 Uhr, Montag, 10. Februar Logenhaus, Fontanestr. 12a, Berlin-Grunewald [0] https://lispers.de/docs/vortrag_koch_logenhaus_20200210.pdf [1] https://lispers.de/#2019-03-25-Berlin [2] https://lispers.de/#2019-04-15-Berlin [3] https://lispers.de/#2019-05-27-Berlin

Hamburg Lispers Meetup, Monday, 3rd February 2020 Greetings, Lisplings! Our monthly gathering in Hamburg takes place as usual on the first Monday of the month, on 3rd February 2020. We meet around 19:00 (“7 p. m.”) at Ristorante Opera, Dammtorstr. 7. This is an informal event for all Lisp experience levels, and about any Lisp dialect. Come as you are, bring lispy topics.

Berlin Lispers Meetup, Monday, 27th January 2020 We meet again on Monday 8pm, 27th January. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Common Lisp, Emacs Lisp and MacLisp. Jörg Preisendörfer will talk about the Ion serialization format and Common Lisp. Ion is represented by either a human-readable text form or a compact binary form. The text form is a superset of JSON. [1] We will also talk about the upcoming Lisp-related conferences in 2020. [1] https://en.wikipedia.org/wiki/Ion_(serialization_format) We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Hamburg Lispers Meetup, Monday, 6th Janury 2020 Happy New Year! Our monthly gathering in Hamburg takes place as usual on the first Monday of the month, on 6th January 2020. We meet around 19:00 (“7 p. m.”) at Ristorante Opera, Dammtorstr. 7. This is an informal event for all Lisp experience levels, and about any Lisp dialect. Come as you are, bring lispy topics.

Hamburg Lispers Meetup, Monday, 2nd December 2019 Hamburg will see another gathering of Lispers on 2nd December 2019. We meet around 19:00 (“7 p. m.”) at Ristorante Opera, Dammtorstr. 7. This is an informal event for all Lisp experience levels, and about any Lisp dialect. This time, we'll likely talk about Advent of Code and some Lisp opportunities.

Berlin Lispers Meetup, Monday, 25th November 2019 We meet again on Monday 8pm, 25th November. Our host this time will be Max-Gerd Retzlaff (www.retzlaff-wenger.com). Berlin Lispers is about all flavors of Lisp including Common Lisp, Clojure and Scheme. Max-Gerd Retzlaff will talk a bit about his current programming for his PhD research[1] in Computer Graphics. Topics include preprocessing of noisy point clouds from a custom-built laser scanner, parsing binary data, coordinate transformations, drift detection using the bisection method, interpolation of scan lines (with Alpha Catmull Rom splines), and his matrix library struct matrices[2]. [1] http://cg.ivd.kit.edu/retzlaff [2] http://matroid.org/flux/struct-matrices.lisp / .asd We meet in Max's office at Wichertstraße 2, 10439 Berlin-Prenzlauer Berg, it is the storefront office at street level, the bell reads "Max-Gerd Retzlaff". It is located right around the corner of S+U Schönhauser Allee in 2 min walking distance. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 4th November 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 4th November 2019. This is an informal gathering of Lispers of all experience levels. Topics might include Advent of Code, Lisp jobs, cryptography, event sourcing.

Berlin Lispers Meetup, Monday, 28th October 2019 We meet again on Monday 8pm, 28th October. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Emacs Lisp, Scheme, and Clojure. This time we talk about the Advent of Code and look at examples in Common Lisp. [1] https://twitter.com/ericwastl/status/1178596028662112256 [2] https://adventofcode.com/ [3] https://old.reddit.com/r/adventofcode/ We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Berlin Lispers - Talk Announcement - Thursday, 24th October 2019 Georg Kinnemann will give a talk about LISP and AI with the title "Die Entwicklung eines Spezial-Computers für Künstliche Intelligenz in der DDR" at Deutsche Technikmuseum Berlin. 5.30pm, 24th October Deutsches Technikmuseum, Trebbiner Straße 9, Vortragssaal, 4. OG [1] https://sdtb.de/technikmuseum/veranstaltungen/ein-spezial-computer-fuer-kuenstliche-intelligenz-in-der-ddr/ [2] https://lispers.de/docs/ki-spezialcomputer-dtb-20191024.txt

Lisp-Meetup in Hamburg on Monday, 7th October 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 7th October 2019. This is an informal gathering of Lispers of all experience levels.

Berlin Lispers Meetup, Monday, 30th September 2019 We meet again on Monday 8pm, 30th September. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Common Lisp, Clojure and Scheme. Max-Gerd Retzlaff will talk about his art installation "Other Dimension" [1] as part of the "Gewebtes Licht" exhibition in 2011 and how he used Embeddable Common Lisp for it. [1] http://other-dimension.net/ in collaboration with Alex Wenger We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 2nd September 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 2nd September 2019. This is an informal gathering of Lispers of all experience levels.

Berlin Lispers Meetup, Monday, 26th August 2019 We meet again on Monday 8pm, 26th August. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Clojure, Scheme and Common Lisp. Willem Broekema will talk about his work-in-progress on "Developments in the AllegroGraph query engine". We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 5th August 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 5th August 2019. This is an informal gathering of Lispers of all experience levels.

Berlin Lispers Meetup, Monday, 29th July 2019 We meet again on Monday 8pm, 29th July. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Clojure, Scheme and Common Lisp. We will have two topics this time. Christian will talk about his time in Sierra Leone during the Ebola outbreak 2014 and where he used Common Lisp for his work. Another topic will be Lisp jobs. We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 1st July 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 1st July 2019. This is an informal gathering of Lispers of all experience levels.

Berlin Lispers Meetup, Monday, 24th June 2019 We meet again on Monday 8pm, 24th June. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Common Lisp and Emacs Lisp, Clojure and Scheme. We will have one talk by James Anderson this time. The title of the talk is "Using the compiler to walk code". We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 3rd June 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CEST on 3rd June 2019. This is an informal gathering of Lispers of all experience levels.

Berlin Lispers Meetup, Monday, 27th May 2019 We meet again on Monday 8pm, 27th May. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Scheme, Common Lisp, Emacs Lisp, Clojure. We will have one talk this time. Ingo Mohr concludes his series of talks telling us about "Das Ende von Lisp und Lisp-Maschine in Ostdeutschland". We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 6th May 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CET on 6th May 2019. Christian was at ELS and will report, and we will talk about our attempts at a little informal language benchmark. This is an informal gathering of Lispers of all experience levels. Update: the fine folks from stk-hamburg.de will be there and talk about their Lisp-based work!

Berlin Lispers Meetup, Monday, 15th April 2019 We meet again on Monday 8pm, 15th April. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Emacs Lisp, Common Lisp, Clojure, Scheme. We will have two talks this time. Hans Hübner will tell us about "Reanimating VAX LISP - A CLtL1 implementation for VAX/VMS". And Ingo Mohr will continue his talk "About the Unknown East of the Ancient LISP World. History and Thoughts. Part II: Eastern Common LISP and a LISP Machine." We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.

Lisp-Meetup in Hamburg on Monday, 1st April 2019 We meet at Ristorante Opera, Dammtorstraße 7, Hamburg, starting around 19:00 CET on 1st April 2019. This is an informal gathering of Lispers. Svante will talk a bit about the implementation of lispers.de. You are invited to bring your own topics.

Berlin Lispers Meetup, Monday, 25th March 2019 We meet again on Monday 8pm, 25th March. Our host this time is James Anderson (www.dydra.com). Berlin Lispers is about all flavors of Lisp including Common Lisp, Scheme, Dylan, Clojure. We will have a talk this time. Ingo Mohr will tell us "About the Unknown East of the Ancient LISP World. History and Thoughts. Part I: LISP on Punchcards". We meet in the Taut-Haus at Engeldamm 70 in Berlin-Mitte, the bell is "James Anderson". It is located in 10min walking distance from U Moritzplatz or U Kottbusser Tor or Ostbahnhof. In case of questions call Christian +49 1578 70 51 61 4.