From the American Mathematical Society today —
Jean Pedersen (1934-2016)
Friday February 5th 2016
Jean Pedersen died January 1 at the age of 81.
She was a longtime member of the faculty at
Santa Clara University. Pedersen and Peter Hilton
co-authored A Mathematical Tapestry: Demonstrating
the Beautiful Unity of Mathematics , which used paper
folding to show connections between geometry,
number theory, and group theory. Pedersen was an
AMS member since 1979.
Related art —
"Spiel ist nicht Spielerei" — Friedrich Fröbel