The untiring professor remained a leader in his field of epidemiology, the spread of disease, well into his eighties, when he was awarded the Companion of Honour in 1996.

BBC: NEWS | UK | Lung cancer scientist dies at 92

In 2011 the growing field of digital epidemiology will attract more students, health officials and resources than ever before.

ECONOMIST: Science

" Savitz's Epidemiology paper specifically investigated the impact of Hardell's work on the entire field of research and concluded that Hardell's papers are "the only consistently reported indication of risk.

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