John Emsley

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In existographies, John Emsley (1938-) (IQ:#|#) (CR:5) is an English inorganic chemist; noted for his 1989 The Elements, written for scientists, especially chemists; for his 1992 BBC education show on how the elements: Ar, C, O, U, N, and S, either comprise humans, or have played a role in human history, e.g. the theory that Napoleon might have been poisoned by arsenic; and for his 2001 Nature’s Building Blocks: an A-Z Guide to the Elements, wherein he devotes a section to each of the first 100-elements, including its discoverer, and percentage in humans.

The Human Element

A advert for the BBC 1992 television series "The Human Element", based on Emsley's 1991 book Human Element, which discussed the elements: arsenic, carbon, oxygen, uranium, nitrogen and sulphur, in respect to humans.

In 1991, Emsley penned a 32-page booklet entitled Human Element, focused on the six elements: elements arsenic, carbon, oxygen, uranium, nitrogen and sulphur, written to accompany a series of BBC television programs called “The Human Element” which were broadcast in 1992.[1]


Emsley influenced: Robert Sterner and James Elser (2000) and Libb Thims (2002) in their independent calculations of the “human molecular formula”.


  1. (a) Emsley, John. (1991). Human Element. BBC Educational.
    (b) The Human Element –

External links

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