(1908-1968) Russian theoretical physicist. He was awarded the 1962 Nobel Prize for Physics for his work on liquid helium.
ETYM From the town Ladau in Germany; cf. French landau. Related to Land, Island.
A four-wheeled covered carriage with a roof divided into two parts (front and back) that can be let down separately.
Horse-drawn carriage with folding top.
Four-wheeler carriage with folding hood and removable top.