User:Jaraalbe

My specialities are: physics, particularly compound semiconductors. Interests: a wide variety of subjects especially science and history.

Locale: UK

Contributions
Major contribution to date: categories of mineral by element such as Category:Telluride minerals. Links in chemical element articles to categories of mineral containing that element. Wiktionary links in chemical element articles.

New articles started
Few, compared to the number of categories started.

New categories started
Major new categories:

Science

 * Category:III-V compounds, Category:Open University, Category:Zeolites.
 * Scientists by country including Category:Cuban biologists, Category:Sri Lankan biologists.

By date

 * Category: Clergy by century.
 * Category: Christian bishops by time period,
 * Category: Roman Catholic bishops by period, Category: Roman Catholic archbishops by period
 * Category: Religious organizations by year of establishment
 * Category: 6th-century writers, Category: 7th-century writers, Category: 11th-century writers.
 * Category: Byzantine people by century
 * Category: Ancient Romans by century
 * Category: Ancient Greeks by century

Deaths

 * Category:Deaths by infectious disease (which became Category:Deaths from infectious disease), Category:Deaths by tuberculosis (which became Category:Deaths from tuberculosis).
 * Category:Deaths by drowning
 * category:Motorcycle accident victims, category:Pedestrian road accident victims, Category:British road accident victims --> Category:Road accident deaths in the United Kingdom, Category:American road accident victims --> Category:Road accident deaths in the United States etc.
 * Category:Victims of aviation accidents or incidents in Australia‎, Category:Victims of aviation accidents or incidents in Africa‎ , Category:Victims of aviation accidents or incidents in Portugal‎.
 * Category:British military personnel killed in action, Category:American military personnel killed in action etc.

Religion

 * Category:Clergy by century
 * Category:Rabbis by century
 * Category:Christian clergy by century
 * Category:Christian bishops by time period
 * Category:Roman Catholic bishops by period, Category:Roman Catholic archbishops by period,
 * Category:Anglican bishops by period, Category:Anglican archbishops by time period,
 * category:Christian archbishops by time period,
 * Category:Religious organizations by year of establishment
 * Category:Buddhist magazines

Transport

 * Category:Water transport in England‎, Rail transport in county in England e.g. Category:Rail transport in Lancashire.

Miscellaneous people categories

 * Category:Indonesian businesspeople, Category:Bolivian businesspeople,
 * Category: Royal Navy submarine commanders,
 * Category:University of Bristol academics (became Category: Academics of the University of Bristol), Category: University of Birmingham people (became Category: People associated with the University of Birmingham)
 * Category: Uyghurs,
 * Category:People of Kerala became Category: People from Kerala, Category: People from Lima, Category: People from Caracas, Category: People from Maracaibo, Category: People from Panama City.

General history

 * Category: History of Corsica
 * Category: 13th century in Spain
 * Category:1577 establishments

Military history

 * Category: Military history of Kent, Category: Military history of Worcestershire, Category: Military history of Yorkshire, etc.
 * Category: Military history of Normandy
 * Category:18th-century people by conflict, Category:19th-century people by conflict, Category:20th-century people by conflict.

Political history

 * Category:Political history of Yorkshire
 * Category:Political history of Iran

Geographic

 * Category:Islands of the Persian Gulf

Full list
Full list (more than a thousand categories)