Helena Rasiowa was a Polish mathematician who achieved great mathematical accomplishments despite the dangers she faced during the German invasion of Poland. Read more about her life and work in this biography.

This site, provided by the University of St. Andrews in Scotland, describes the contributions of Apollonius of Perga.

If art and math are both passions of yours, this project is meant for you! Spidrons are geometric forms made from alternating sequences of equilateral and isosceles (30 degrees, 30 degrees, 120 degrees) triangles. Spidrons were...