Community/Demographics
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demographics
| Name | User Page | Sex | Birth Year | Nationality | Residing | Languages (human) | Jer since | Industry / Profession | Primary J use |
| Tom Allen | Tom Allen | M | 1951 |  Australia
|
Canberra, Australia
|
English | v3 | play | |
| Art Anger | Art Anger | M | 1937 |  USA
|
Concord, MA
|
English, some: French, German, Spanish, Russian | 2004 (APL 1966, Iversonian 1960) | Retired consultant | hobby, teaching |
| Tom Arneson | Tom Arneson | M | 1942 | USA
|
Minneapolis MN, USA | English | ~2000 | hobby, surveying, teaching | |
| John Baker | John Baker | M | 1953 |  Canada USA
|
Meridian ID, USA
|
English | 1990 | Semi-retired IT | Data wrangling, Image metadata, JOD |
| Boyko Bantchev | Boyko Bantchev | M | 1960 |  Bulgaria
|
Sofia, Bulgaria
|
Bulgarian, Russian, English | ~2000 | hobby, teaching | |
| R.E. Boss | RE Boss | M | 1950 |  Dutch
|
 Netherlands
|
Dutch, (some) English | 2000 | mathematician PhD student | playing; exploring math |
| Dan Bron | Dan Bron | M | 1979 | USA
|
Jersey City, NJ, USA
|
English | 2001 | capital markets / sales | Data analysis, reporting, ad-hoc scripting, hobby |
| Yuri Burger | Yuri Burger | M | 1979 |  Ukraine
|
Kiev, Ukraine
|
Russian, Ukrainian, English | 2004 | general programming, AI, research | |
| Ellis K "Skip" Cave | SkipCave | M | 1945 | USA
|
Dallas TX
|
English | 1990 | Electronic Engineer, Consultant | hobby, research |
| Ian Clark | Ian Clark | M | 1941 |  UK
|
North Yorkshire
|
English, some German, Russian, Swedish | 2008 (APL 1973) | Product devt, Higher Edn | Hobby, teaching |
| Michael Dykman | Michael Dykman | M | 1963 | Canada
|
Toronto, Canada
|
English | 2006 | Research, Hobby | |
| Kym Farnik | Kym Farnik | M | 1958 | Australia
|
Adelaide, South Australia
|
English, Strine | 2002 | Research, Hobby, Maths | |
| Paul P. Gauthier | Paul Gauthier | M | 1952 | Canada
|
Montreal,QC,Canada
|
French, English | 1990 | hobby, rare work | |
| Ian Gorse | Ian Gorse | M | 1981 | UK
|
West Midlands, UK
|
English | 2008 | Manufacturing - Project Coordinator | Hobby |
| Daniel Gregoire | Daniel Gregoire | M | 1987 | USA
|
Summerville, SC
|
English, Russian | 2017 | Software Engineering, Management | learning, exploring, statistics |
| Don Guinn | Don Guinn | M | 1940 | USA
|
Cloudcroft, New Mexico
|
English | 1998 | Mainframe Systems Programmer | hobby |
| Harvey Hahn | Harvey Hahn | M | 1946 | USA
|
Cary, Illinois
|
English, some German | 2006 | hobby | |
| Tracy Harms | Tracy Harms | M | 1958 | USA
|
Columbus, Ohio
|
English | 2006 | IT consulting | Data analysis, system support, ad hoc computation |
| J. Patrick Harrington | JPatrickHarrington | M | 1939 | USA
|
Riverdale, MD, USA
|
English | 1992 | astronomy, astrophysics | |
| Bill Harris | Bill Harris | M | 1948 | USA
|
Everett, Washington
|
English, German | 1992? | utility analyst, energy efficiency | Data exploration, simulation output analysis, graphical communications, intellectual stimulation |
| Björn Helgason | BjörnHelgason | M | 1952 |  Ísland
|
Hraunborgum, Íslandi
|
Íslenzku, Danish, Swedish, Norwegian, English, German, some Dutch and French | 1990 (APL 1972) | hobby, rare work | |
| Jan Jacobs | Jan Jacobs | M | 1955 | The Netherlands
|
Venlo, LB
|
English, Dutch, German | 1990 (APL 1974) | programming embedded massively parallel processors (PhD study in progress) | |
| Jan-Pieter Jacobs | Jan-Pieter Jacobs | M | 1985 |  Belgium
|
Belgium, Antwerp
|
Dutch, English, French, Spanish, some Italian and German, traces of Chinese | 2013 | PhD student | hobby, little work |
| June Kim | June Kim | M | 1974 |  Korea
|
Korea
|
Korean, English | 2005 | hobby | |
| Oleg Kobchenko | Oleg Kobchenko | M | 1971 | Ukraine
|
Boston, MA
|
Russian, Ukrainian, English, some French | ~1994 | general programming | |
| Martin Kreuzer | Martin Kreuzer | M | 1946 |  German
|
Frankfurt a M
|
German, English | ~2009 | ||
| Mikl Kurkov | Mikl Kurkov | M | 1975 |  Russian
|
Moscow,Russia
|
Russian, English | 2006 | one project in financial trading area, hobby | |
| David Lambert | David Lambert | M | 1960 | Corning, NY
|
English | 2009 | Engineering | varied | |
| Ken Lettow | Ken Lettow | M | 1967 | USA
|
Clifton, NJ
|
English | 2007 | web log mining, data analysis, reporting, hobby | |
| Marshall Lochbaum | Marshall Lochbaum | M | 1993 | USA
|
Raleigh, NC
|
English | 2009 | Student | Mathematics, hobby, language design |
| Luca Masini | Luca Masini | M | 1964 |  Italian
|
Frankfurt am Main,Germany
|
English, French,German,Italian | 2006 | hobby | |
| Devon McCormick | Devon McCormick | M | 1959 | USA
|
New York, NY
|
English, some Spanish, some French | 2001 | finance, investment | Research, data analysis, statistics, poker, photography |
| Eugene McDonnell (RIP) | Eugene McDonnell | M | 1926 | USA
|
Palo Alto, CA
|
English, Italian | 1989 | hobby | |
| Raul Miller | Raul Miller | M | 1961 | USA
|
McLean, VA, USA
|
English | ? | varies | |
| Martin Neitzel | Martin Neitzel | M | 1963 | Germany
|
Braunschweig,FRG
|
English,German | 1990 | J contract work | |
| Sean O'Byrne | Sean OByrne | M | 1971 | Australia
|
Canberra, Australia
|
English | 2002 | Aerospace Engineering / Education | hobby, research |
| Martin Pelletier | Martin Pelletier | M | 1977 | Canada
|
Quebec city, Qc, Canada
|
French, English | 2004 | Analyst / Consultant | experimentation, prototyping, calculus, data transformation |
| John Randall | John Randall | M | 1955 | UK
|
Brooklyn, NY, USA
|
English | 2001 | research, data analysis, hobby | |
| Hauke Rehr | Hauke Rehr | M | 1986 | DE
|
Jena, Germany
|
German | ≤2017 | prototyping, teaching, still learning J, etc | |
| Cliff Reiter | Cliff Reiter | M | 1957 | USA
|
Easton, PA, USA
|
English | 1992 | teaching, research, web | |
| Alex Rufon (RIP) | AlexRufon | M | 1973 |  Filipino
|
Cavite, Philippines
|
English, Filipino, Waray, Caray-a | 2000 | Manufacturing | Data Warehousing, Production Planning, Materials and Resources Calculation, EDI/B2B Documents Generation, AS400 & SAP Interfacing, General Programming, Games (hobby) |
| Mario Sacco | Mario Sacco | M | 1961 | Italy
|
Rome, Italy
|
Italian, English | ~2000, IBM APL/APL2 1983+; Dyalog APL 2010+ | Consultant | Data Analysis, Statistic, Finance, Math, Research, General programming |
| Martin Saurer | Martin Saurer | M | 1966 |  Switzerland
|
Winterthur, Switzerland
|
German, English | ~2000 | Software Developer | data analysis, image processing, research |
| Markus Schmidt-Groettrup | Markus Schmidt Groettrup | M | 1959 | Germany
|
Lingen, Germany
|
German,English | 2001 | math studies, statistics, teaching | |
| Brian Schott | Brian Schott | M | 1944 | USA
|
Decatur, GA
|
English | 1990 | Prof Emeritus of Decision Sciences | addiction |
| Anssi Seppälä | Anssi Seppälä | M | 1958 |  FI
|
Helsinki, Finland
|
Finnish,English | 1998 | software production, data analysis, business | |
| Ewart Shaw | Ewart Shaw | M | 1953 | UK
|
Midlands, UK
|
English, some French | 1990 | Art student; ex-statistician | images, sound, maths, misc. |
| Ric Sherlock | Ric Sherlock | M | 1969 |  NZ
|
Hamilton, NZ
|
English, Swiss-German | 2007 | quantitative genetics, bioinformatics | data analysis, simulation |
| Jordan Tirrell | Jordan Tirrell | M | 1987 | USA
|
New York City, USA
|
English | 2005 | data analysis, math research | |
| Bob Therriault | Bob Therriault | M | 1958 |  Canada 
|
Qualicum, Canada
|
English | J 501 | education | education, visualization, hobby |
| Joey K Tuttle | Joey Tuttle | M | 1942 | USA
|
Aptos, CA
|
English | 1989 | general programming, and hobby | |
| David Vincent-Jones | David VincentJones | M | 1934 | Canada
|
Vancouver, Canada
|
English | 1990 | Image Processing | |
| Igor Zhuravlov | Igor Zhuravlov | M | 1971 | Russian
|
Vladivostok, Russia
|
Russian, English | 2001 | education / programmer | hobby, research |
see also
- Other users may be found at the list of Special:ListUsers.
- Static snapshot of the map of J live J users map:
