Warren De la Rue — British Scientist born on January 18, 1815, died on April 19, 1889

Warren De la Rue was a British astronomer and chemist, most famous for his pioneering work in astronomical photography... (wikipedia)

For a deeper interest in the Moon than I ever felt before.
Nature's laws must be obeyed, and the period of decline begins, and goes on with accelerated rapidity.
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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