The Nobel Prize in Physics 1970 was divided equally between Hannes Olof Gösta Alfvén “for fundamental work and discoveries in magnetohydro-dynamics with fruitful applications in different parts of plasma physics” and Louis Eugène Félix Néel “for fundamental work and discoveries concerning antiferromagnetism and ferrimagnetism which have led to important applications in solid state physics.”

## Math Textbook with Cat Pictures

Sheldon Axler is a funny math professor and he put his cats' pictures into his math textbook, Precalculus: A Prelude to Calculus.