John Miller was a civil engineer

Civil engineer

A civil engineer is a person who practices civil engineering; the application of planning, designing, constructing, maintaining, and operating infrastructures while protecting the public and environmental health, as well as improving existing infrastructures that have been neglected.Originally, a...

 of the 19th century. He was born in Ayr

Ayr

Ayr is a town and port situated on the Firth of Clyde in south-west Scotland. With a population of around 46,000, Ayr is the largest settlement in Ayrshire, of which it is the county town, and has held royal burgh status since 1205...

 and died in Edinburgh

Edinburgh

Edinburgh is the capital city of Scotland, the second largest city in Scotland, and the eighth most populous in the United Kingdom. The City of Edinburgh Council governs one of Scotland's 32 local government council areas. The council area includes urban Edinburgh and a rural area...

. He went into partnership with Thomas Grainger

Thomas Grainger

Thomas Grainger FRSE was a Scottish civil engineer and surveyor. He was born in Ratho, outside Edinburgh, to Hugh Grainger and Helen Marshall. Educated at Edinburgh University, at sixteen he got a job with John Leslie, a land surveyor.He started his own practice in 1816. In 1825 he formed a...

 in 1825. The partnership was responsible for many of 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...

's great railway projects. Miller took the lead role in surveying the Edinburgh and Glasgow Railway

Edinburgh and Glasgow Railway

The Edinburgh and Glasgow Railway was a railway built to link Glasgow and Edinburgh. The Act of Parliament for building the railway received its Royal Assent in 1838 which was open on 28 July 1863. Services started between Glasgow Queen Street and Haymarket on 21 February 1842. The line was...

. A plaque commemorating his life was unveiled at Haymarket railway station

Haymarket railway station

For the Tyne and Wear Metro see Haymarket Metro station.Haymarket railway station is in Haymarket, Edinburgh, Scotland. It is Edinburgh's second largest station after Waverley, a major commuter and long-distance destination, located quite centrally near the West End...

on the 200th anniversary of his birth.