Deaths on October 30

Willebrord Snell

Died on October 30, 1626

Willebrord Snell, Dutch astronomer and mathematician (b. 1580)

Willebrord Snellius (born Willebrord Snel van Royen) (13 June 1580 – 30 October 1626) was a Dutch astronomer and mathematician, known in the English-speaking world as Snell. In the west, especially the English speaking countries, his name is attached to the law of refraction of light (Snell's law).The lunar crater Snellius is named after Willebrord Snellius. The Royal Netherlands Navy has named three survey ships after Snellius, including a currently-serving vessel.

References

Willebrord Snell

Choose Another Date

Events on 1626

11 Feb

Afonso Mendes
Emperor Susenyos I of Ethiopia and Patriarch Afonso Mendes declare the primacy of the Roman See over the Ethiopian Church, and Catholicism to be the state religion of Ethiopia.