History
Although the vegan diet was defined early on in The Vegan Society's beginnings in 1944, it was as late as 1949 before Leslie J Cross pointed out that the society lacked a definition of veganism. He suggested “[t]he principle of the emancipation of animals from exploitation by man”. This is later clarified as “to seek an end to the use of animals by man for food, commodities, work, hunting, vivisection, and by all other uses involving exploitation of animal life by man”.

When The Vegan Society became a registered charity in 1979, the Memorandum and Articles of Association updated the definition of “veganism” as: