1643
Paul Guldin, Swiss astronomer and mathematician (born 1577)
Paul Guldin, Swiss astronomer and mathematician (born 1577)
Paul Guldin, Swiss astronomer and mathematician (born 1577)
Swiss mathematician and astronomer (1577–1643)
Paul Guldin, Swiss astronomer and mathematician (born 1577)
Paul Guldin, Swiss astronomer and mathematician (born 1577)
Paul Guldin, Swiss astronomer and mathematician (died 1643)
Paul Guldin, Swiss astronomer and mathematician (died 1643)