Refraction history
Who discovered snell's law
Daniel bernoulli...
Willebrord Snellius
Dutch astronomer and mathematician ()
Willebrord Snellius[1][2] (born Willebrord Snel van Royen)[3] (13 June [4]&#;&#; 30 October ) was a Dutch astronomer and mathematician, commonly known as Snell.
His name is usually associated with the law of refraction of light known as Snell's law.[5]
The lunar craterSnellius is named after Willebrord Snellius. The Royal Netherlands Navy has named three survey ships after Snellius, including a currently-serving vessel.
Biography
Willebrord Snellius was born in Leiden, Netherlands. In he succeeded his father, Rudolph Snel van Royen (–) as professor of mathematics at the University of Leiden.
Snellius' triangulation
See also: Triangulation (surveying) §&#;Willebrord Snellius
In , Snellius, after the work of Eratosthenes in Ptolemaic Egypt in the 3rd century BC, probably was the first to try to do a large-scale experiment to measure the circumference