H.C. Engelbrecht (1895–1939) received his PhD at Columbia University, with a dissertation on Johann Gottlieb Fichte. While teaching at the University of Chicago, he wrote the bestseller Merchants of Death (1934) with F.C. Hanighen.
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