Sylvester Petro (1917–2007) was a professor of law and the author of several books on the history of labor policy in the United States, including The Labor Policy of a Free Society, The Kohler Strike, and The Kingsport Press Strike.
As professsor and director of the Wake Forest University Institute of Law and Policy Analysis, he taught generations of students about the history of labor unions, while defending free association and free contract as essential to the free and prosperous commonwealth. He was a member of the Mont Pelerin Society and a supporter of the Mises Institute.
Ludwig von Mises: "In relation to the immense sacrifices that the state demands of the individual through the blood tax, it seems rather incidental whether it compensates the soldier more or less abundantly for the loss of time that he suffers from his military-service obligation." - Nation, State, and Economy