Karl Popper and Falsification.

Karl Popper came of age in the aftermath of the World War I. He left school at sixteen and soon found himself captivated with Marxism and its social implications. He turned away from Marxism however when he saw the destruction caused by left-wing demonstrators in Vienna, which led to the deaths of some of the protestors. He was a man of many studies, becoming interested not only in Marxist theories, but in astronomy and psychoanalysis, …

…one'. Popper may not have put forward the perfect solution, but it's the most probable we've got so far. References: Popper, Karl R. Science as Falsification. Originally published in Conjectures and Refutations (1963). Norris Turner, Piers. Remembering Karl Popper. Published in Hoover Digest, issue No.1, 2000. Ross, Kelley L. Ph.D. Criticism of Karl Popper in Anthony O'Hear's 'An Introduction to the Philosophy of Science'. Oxford University Press, 1989. Thornton, Stephen. Karl Popper. Stanford Encyclopaedia of Philosophy. Copyright 1997.