The article analyses the figure of John Foster Dulles, Secretary of State during the Dwight Eisenhower Presidency. Sufficient scientific background of the question is devoted mainly to the analysis of this figure from negative positions, attributing to him the role of “experienced evil genius”. The author provides brief biographical information on the life of the Secretary of State in order to find out the conditions under which his character and worldviews formed, which subsequently formed the basis of his political behavior. It is stated that in general, John Foster Dulles was one of the most influential statesmen in the history of the American political establishment. In fact, J. F. Dulles was a reflection of the tension that was so vividly observed in the United States of America in the late 1940s and 1950s, and therefore these factors could not but affect his personal life and career.