Van der Waals, Johannes Diderick (1837–1923)
Dutch physicist who investigated the properties of real gases.
Noting that the kinetic theory
of gases assumed that the molecules had neither size nor interactive
forces between them, in 1873 he proposed the van
der Waals' equation of state. The weak attractive forces between molecules
are therefore called van der Waals
forces. He received the 1910 Nobel Prize in Physics.