Sidney Gilchrist Thomas
Overview
 
Sidney Gilchrist Thomas (April 16, 1850 - February 1, 1885) was an English
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 inventor.
Thomas was born at Canonbury
Canonbury
Canonbury is a residential district in the London Borough of Islington in the north of London. It is roughly in the area between Essex Road, Upper Street and Cross Street and either side of St Paul's Road....

, London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 and was educated at Dulwich College
Dulwich College
Dulwich College is an independent school for boys in Dulwich, southeast London, England. The college was founded in 1619 by Edward Alleyn, a successful Elizabethan actor, with the original purpose of educating 12 poor scholars as the foundation of "God's Gift". It currently has about 1,600 boys,...

.
. His father, a Welshman, was in the civil service, and his mother was the daughter of the Rev. James Gilchrist. His father's death left his family with a considerably reduced income, he gave up his original idea of becoming a doctor and obtained an appointment as a police court clerk, in which he kept until May 1879.

During these twelve years, besides the work of a busy police court, which brought him into intimate contact with social problems, he found time to study chemistry
Chemistry
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds....

, and attended lectures at the Birkbeck Institute (which later became Birkbeck College
Birkbeck, University of London
Birkbeck, University of London is a public research university located in London, United Kingdom and a constituent college of the federal University of London. It offers many Master's and Bachelor's degree programmes that can be studied either part-time or full-time, though nearly all teaching is...

).
 
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