Both advocated the theory that national interests could be advanced through a drastically reduced military, yet neither explained how that works operationally.

It was named and described by Louise Lacey in her 1974 book Lunaception, and she maintains a website advocating the theory.

Bradford also advocated the constitutional theory of strict constructionism.

Volger advocated the theory of neptunism.

Cowherd is credited with being the main figure advocating the theory of vegetarianism.

In 1869, after an exhaustive study of ammonites, Waagen advocated the theory of evolution or mutation for certain series of fossils.

It also lead Cuvier to advocate the geological theory of catastrophism to explain the succession of organisms revealed by the fossil record.

He also advocated the theory of spontaneous generation.

He advocated the theory that the human mind would be the crucial factor in man's eventual extinction.

In the short term, it is time for certain European countries to stop advocating the theory of a fair return.