James A. Sadowsky, S.J., S.T.L. (1923–2012) was professor emeritus of philosophy at Fordham University, where he began teaching in 1960. A convert to Roman Catholicism from Anglicanism (1939) and ordained as a priest of the Society of Jesus (1957), he was a friend of Murray Rothbard's since the early 1960s and a Rothbardian in political philosophy and economics. Rothbard endorsed Sadowsky’s definition of rights (as formulated in the latter's 1966 article, "Private Property and Collective Ownership," which Rothbard cites in his The Ethics of Liberty (1982).
Ludwig von Mises: "Monetary calculation and cost accounting constitute the most important intellectual tool of the capitalist entrepreneur, and it was no one less than Goethe who pronounced the system of double-entry bookkeeping one of the finest inventions of the human mind." - Liberalism