1626
Willebrord Snell, Dutch astronomer and mathematician (born 1580)
Willebrord Snell, Dutch astronomer and mathematician (born 1580)
Willebrord Snell, Dutch astronomer and mathematician (born 1580)
Dutch astronomer and mathematician (1580–1626)
Willebrord Snell, Dutch astronomer and mathematician (born 1580)
Willebrord Snell, Dutch astronomer and mathematician (born 1580)
Willebrord Snell, Dutch astronomer and mathematician (died 1626)
Willebrord Snell, Dutch astronomer and mathematician (died 1626)