The partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.


The World As I See It (p. 63), Philosophical Library. 1949


The partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.

The partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.

The partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.

The partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.