Quote by: Warren De la Rue

By shading off, as I have done, the portion of the area of the diagram according to the individual age, every one may see how much of life is consumed, and what is left.


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Author Bio


  • NameWarren De la Rue
  • DescriptionBritish astronomer and chemist, most famous for his pioneering work in astronomical photography
  • BornJanuary 18, 1815
  • DiedApril 19, 1889
  • CountryUnited Kingdom
  • ProfessionAstronomer; Chemist; Photographer
  • AwardsFellow Of The Royal Society; Royal Medal