Mr. Jerome , whose book '' The Einstein File '' -LRB- St. Martin 's Griffin , 2002 -RRB- detailed J. Edgar Hoover 's obsession with finding negative things about Einstein , and Mr. Taylor , a New York librarian who has written about jazz and early African-American life in New York , describe Mr. Einstein 's friendship with the famous Princeton native Paul Robeson , who was pilloried by the right for his political views during the cold war .