Were These World War II British Vegans the First Hippies?

Where did the whole vegan thing come from? I always figured it was a 1970s thing, or maybe it went back to Berkeley in the early 1960s. According to the Vegan Society, the non-dairy/egg-free vegetarian craze began in London back in 1944. That was not a fun year to be in London, what with the aerial bombings and rocket attacks. Here's what they said in the very first issue of their newsletter:
That freedom has now come to us. Having followed a diet free from all animal food for periods varying from a few weeks in some cases, to many years in others, we believe our ideas [...]


