Hamnett founded the Katharine E. Hamnett clothier in 1979.
In 1981 she introduced menswear and the sales boomed worldwiede.
Joseph opened the Chinese Laundry selling KATHARINE HAMNETT washed cottons in 1983.
The company's London shops have been designed by Norman Foster and Nigel Coates.
Beginning in 1989, with research showing pesticide poisoning in cotton-growing regions, and sweatshop labour a major part of the textiles industry, Hamnett began lobbying for major changes in the way the industry operated. After disappointment with the results, Hamnett terminated most of her licensing arrangements, and in 2005 relaunched her line under stricter ethical guidelines, including manufacturing and agricultural practices.
Launches line of ethically and environmentally mined gold and diamond jewellery with Cred on Valentines Day 2007.
Liz Taylor, Susan George, Marsha Hunt, and George Peppard.