Katherine Hamnett is a British Fashion designer known for both her fashion and her social activism. One of her most famous designs is the large-bold font protest t-shirts with slogans such as "STOP WAR", "USE CONDOMS", "SAVE THE RAINFOREST", and "PEACE". Hamnett is also a major advocate of corporate social responsibility (CSR) and has worked to create change in the fashion industry, as well as others. Issues raised by Katherine range from the need for switch to organic cotton in 1989 to the scarcity of black models on the world's runways in 2008.Future-ish added Katherine Hamnett to our PISA List in 2008.