In 1894 Henry Wellcome set up a laboratory in central London to investigate a treatment for diphtheria.
Langley Court had been built in 1886 by James Bucknall, who lived in the house with his family until 1914.
[2] In April 1990, the site won the Queen's Award for Export and Technological Achievement for their Retrovir drug (Zidovudine), an antiretroviral medication; it had been launched in 1987 as AZT, and was the world's first antiretroviral medication.
[3] This medication caused the Wellcome share price to increase in 1989 by five times.
In December 2000, Glaxo Wellcome became GlaxoSmithKline, when it merged with SmithKline Beecham.