William Losh was a chemist

Chemist

A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

 and industrialist who is credited with introducing the Leblanc process

Leblanc process

The Leblanc process was the industrial process for the production of soda ash used throughout the 19th century, named after its inventor, Nicolas Leblanc. It involved two stages: Production of sodium sulfate from sodium chloride, followed by reaction of the sodium sulfate with coal and calcium...

 for the manufacture of alkali

Alkali

In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water. A solution of a soluble base has a pH greater than 7. The adjective alkaline is commonly used in English as a synonym for base,...

 to the United Kingdom.

William Losh worked in a family business manufacturing chemicals in Walker-on-Tyne

Walker, Newcastle upon Tyne

Walker is a residential suburb and electoral ward just east of the centre of Newcastle upon Tyne, England. Walker's name is a hybrid of Old English and Viking Norse, "Wall-kjerr", where "kjerr" is Norse for "marshy woodland"...

, near Newcastle upon Tyne

Newcastle upon Tyne

Newcastle upon Tyne is a city and metropolitan borough of Tyne and Wear, in North East England. Historically a part of Northumberland, it is situated on the north bank of the River Tyne...

, England. The firm manufactured akali and saltsake by processes patented by Archibald Cochrane

Archibald Cochrane, 9th Earl of Dundonald

Archibald Cochrane, 9th Earl of Dundonald was a Scottish nobleman and inventor. The son of Thomas Cochrane, 8th Earl of Dundonald, he joined the British Army as a youth and also served time in the Royal Navy before returning to Culross in 1778 after inheriting the Earldom of Dundonald from his...

. Losh went to Paris in 1802 where he learnt about the Leblanc process and then started to use it in his own factory.

Losh also became involved in the early development of the railways, when he collaborated with George Stephenson

George Stephenson

George Stephenson was an English civil engineer and mechanical engineer who built the first public railway line in the world to use steam locomotives...

 in the development of improved cast-iron rails that did not break as easily as existing rails. At the time, Losh had an ironworks in Walker, where the new rails could be manufactured. Subsequently, when Stephenson was building the Stockton and Darlington Railway

Stockton and Darlington Railway

The Stockton and Darlington Railway , which opened in 1825, was the world's first publicly subscribed passenger railway. It was 26 miles long, and was built in north-eastern England between Witton Park and Stockton-on-Tees via Darlington, and connected to several collieries near Shildon...

, he decided to use wrought-iron rails obtained from the Bedlington Ironworks

Bedlington Ironworks

Bedlington Ironworks, in Blyth Dene, Northumberland, England, operated between 1736 and 1867. It is most remembered as the place where wrought iron rails were invented by John Birkinshaw in 1820, which triggered the railway age, with their first major use being in the Stockton and Darlington...

. This caused a permanent rift with William Losh, who had believed that he had an agreement with Stephenson to use his own rails.

He retired from the alkali business in 1831. In addition to being an alkali manufacturer he worked as a colliery

Coal mining

The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content, and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United States,...

 agent and as consul

Consul (representative)

The political title Consul is used for the official representatives of the government of one state in the territory of another, normally acting to assist and protect the citizens of the consul's own country, and to facilitate trade and friendship between the peoples of the two countries...

 for Prussia

Prussia

Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

, the Scandinavian

Scandinavia

Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

 countries and, later, for Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

.