Theodore Chaikin Sorensen was an American lawyer, writer, and presidential adviser. He was the primary speechwriter for President John F. Kennedy, as well as one of his closest advisers. President Kennedy once called him his "intellectual blood bank". With Sorensen's assistance, Kennedy would later pen Profiles in Courage, for which he won the 1957 Pulitzer Prize for Biography. He also assisted in Kennedy's inaugural address; wrote the majority of his 1962 address to Rice University ; and drafted Lyndon Johnson's "Let Us Continue" speech following Kennedy's assassination.