sentences:  Also in 1955, while Nixon was serving as vice-president to Dwight D. Eisenhower, John F. Kennedy and his research assistants wrote in his book "Profiles in Courage", "Some of them may have been representing the actual sentiments of the silent majority of their constituents in opposition to the screams of a vocal minority..." In January 1956, Kennedy gave Nixon an autographed copy of the book.Nixon wrote back the next day to thank him