Bert Hardy (1913, London, UK-1995) was a British documentary and press photographer. He rose from humble working class origins to work first for the General Photographic Agency, then to found his own freelance firm Criterion. In 1941 Criterion was absorbed into the leading picture publication of the 1930s and 1940s, "Picture Post". Wikipedia
The definitive Wikipedia entry for Bert Hardy. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Bert_Hardy