The Law of Causality and its Limits (1931) a principal work from the classical period of the Vienna Circle, was written by Philipp Frank, a physicist and philosopher, to clarify the strengths and weaknesses of the notion of causal explanation. The book contains analyses of central issues in the philosophy of science: meaning of general statements, determinism, vitalism, lawfulness in biology and physical science, irreversibility, cause and chance, among others.