Alexander Cruden was the author of an early concordance

Concordance (publishing)

A concordance is an alphabetical list of the principal words used in a book or body of work, with their immediate contexts. Because of the time and difficulty and expense involved in creating a concordance in the pre-computer era, only works of special importance, such as the Vedas, Bible, Qur'an...

 to the Bible

Bible

The Bible refers to any one of the collections of the primary religious texts of Judaism and Christianity. There is no common version of the Bible, as the individual books , their contents and their order vary among denominations...

, and also served as Alexander the Corrector, a self-styled national corrector of signs, books and morals.
Alexander Cruden was born in Aberdeen

Aberdeen

Aberdeen is Scotland's third most populous city, one of Scotland's 32 local government council areas and the United Kingdom's 25th most populous city, with an official population estimate of ....

 in Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 (baptised on June 8, 1699, St. Nicholas Kirk, Aberdeen, according to recent research) and was educated at Aberdeen Grammar School

Aberdeen Grammar School

Aberdeen Grammar School, known to students as The Grammar is a state secondary school in the City of Aberdeen, Scotland. It is one of twelve secondary schools run by the Aberdeen City Council educational department...

 and Marischal College

Marischal College

Marischal College is a building and former university in the centre of the city of Aberdeen in north-east Scotland. The building is owned by the University of Aberdeen and used for ceremonial events...

, University of Aberdeen

University of Aberdeen

The University of Aberdeen, an ancient university founded in 1495, in Aberdeen, Scotland, is a British university. It is the third oldest university in Scotland, and the fifth oldest in the United Kingdom and wider English-speaking world...

, and became an excellent Latin, Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 and Biblical scholar.
Cruden's Bible Concordance

Cruden's Concordance

A Complete Concordance to the Holy Scriptures, generally known as Cruden's Concordance, is a concordance of the King James Bible that was singlehandedly created by Alexander Cruden...

 became well-known, and further editions were published after his death.