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