George H. Nash, a leading historian of American conservatism, says that by, "the end of the 1960s he was probably the most highly regarded and influential conservative scholar in the country, and one of the few with an international reputation."
George H. Nash, vodeći povjesničar američkog konzervativizma, kaže da je "krajem 1960-ih Friedman vjerojatno bio najcjenjeniji i najutjecajniji konzervativni znanstvenik u zemlji, i jedan od rijetkih s međunarodnom reputacijom."