Their theories originated in France and were most popular during the second half of the 18th century.

The scientific theories which explain the general phenomena originated two centuries earlier.

"All the theories of tropical evolution originate here."

World-system theories did not originate in the study of phenomena like the modern UK economy.

The theory originates from experiments with rats in which the animals were confined in a small space and given electric shocks.

This theory originated with Felix von Luschan, who later abandoned it.

Media effects theories in modern times originated with Bandura's social learning theory, which suggests that children may learn aggression from viewing others.

The theory originated from criticism of the evidence supporting SVT.

The theory of abelian integrals originated with the paper by Abel published in 1841.

This theory originated in correspondence between two earlier antiquarians, and was adopted as gospel by the Gaelic League.