Mathematician:Royen

Disambiguation

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Royen may refer to:

Willebrord van Royen Snell $($$\text {1580}$ – $\text {1626}$$)$

Dutch applied mathematician and astronomer who founded the modern science of geodesy, by pioneering the technique of triangulation.

Developed an improved method for determining the value of $\pi$ (pi) using polygons.

Known today for rediscovering the Snell-Descartes Law in $1621$, governing the refraction of light. He did not publish it himself.

It first appeared in $1703$ when it was published in Christiaan Huygens' Dioptrica.
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Thomas Royen $($$\text {b. 1947}$$)$

German professor of statistics best known for his proof of the Gaussian Correlation Inequality.
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