Early life

Joseph William Mellor was born in Lindley, Huddersfield

Huddersfield

Huddersfield is a large market town within the Metropolitan Borough of Kirklees, in West Yorkshire, England, situated halfway between Leeds and Manchester. It lies north of London, and south of Bradford, the nearest city....

, England, in 1869. He grew up on New Zealand's South Island

South Island

The South Island is the larger of the two major islands of New Zealand, the other being the more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman Sea, to the south and east by the Pacific Ocean...

 where his father found employment in the textile industry. The family was too poor to send Joseph to secondary school, but he continued to study in his spare time.
Mellor graduated from the University of Otago

University of Otago

The University of Otago in Dunedin is New Zealand's oldest university with over 22,000 students enrolled during 2010.The university has New Zealand's highest average research quality and in New Zealand is second only to the University of Auckland in the number of A rated academic researchers it...

 in 1898. He won a scholarship to study for a research degree at the University of Manchester

University of Manchester

The University of Manchester is a public research university located in Manchester, United Kingdom. It is a "red brick" university and a member of the Russell Group of research-intensive British universities and the N8 Group...

.

Career in the UK

Mellor never returned to New Zealand, although he kept in contact with relatives there and represented the country as a governor of Imperial College

Imperial College London

Imperial College London is a public research university located in London, United Kingdom, specialising in science, engineering, business and medicine...

, London.
After his three years at Manchester, he based himself in north Staffordshire

Staffordshire

Staffordshire is a landlocked county in the West Midlands region of England. For Eurostat purposes, the county is a NUTS 3 region and is one of four counties or unitary districts that comprise the "Shropshire and Staffordshire" NUTS 2 region. Part of the National Forest lies within its borders...

 where he carried out research in the local industry, ceramics. In 1910 the separate towns which make up Stoke-on-Trent

Stoke-on-Trent

Stoke-on-Trent , also called The Potteries is a city in Staffordshire, England, which forms a linear conurbation almost 12 miles long, with an area of . Together with the Borough of Newcastle-under-Lyme Stoke forms The Potteries Urban Area...

 federated, and a decision was made to build a technical college, which opened in 1914 with Mellor as Principal. The college specialised in ceramics and mining: it was provided with a ceramics library by the Carnegie UK Trust.
During the First World War Mellor's research was directed towards refractories

Refractory

A refractory material is one that retains its strength at high temperatures. ASTM C71 defines refractories as "non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above...

, high-temperature ceramics relevant to the steel industry and thus the war effort.
In 1927 Mellor became the second person to be elected to the Royal Society

Royal Society

The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...

 for work related to ceramics, the first having been Josiah Wedgwood

Josiah Wedgwood

Josiah Wedgwood was an English potter, founder of the Wedgwood company, credited with the industrialization of the manufacture of pottery. A prominent abolitionist, Wedgwood is remembered for his "Am I Not A Man And A Brother?" anti-slavery medallion. He was a member of the Darwin–Wedgwood family...

in the eighteenth century.

Mellor's publications include a sixteen-volume Comprehensive Treatise on inorganic chemistry.