anchor.diff:  section,name,dates,summary,description,image
  -1,Toussaint Louverture,(1743-1803),Haitian revolutionary
  -1,Shaka,(1787-1828),Zulu conqueror
  +1,Toussaint Louverture,(1743-1803),revolutionary
  +1,Shaka,(1787-1828),conqueror
   1,Frederick Douglass,(1818-1895),abolitionist & writer
   1,Marcus Garvey,(1887-1940),Pan-Africanist
   1,A. Philip Randolph,(1889-1979),labor leader
  
positive.code: 2,Henry Louis Gates Jr.,(born 1950),literary critic
  2,Kwame Anthony Appiah,(born 1954),philosopher
  2,Neil deGrasse Tyson,(born 1958),astrophysicist & science communicator
  3,Lewis Howard Latimer,(1848-1928),inventor
  3,Booker T. Washington,(1856-1915),community leader
  3,Madam C.J. Walker,(1867-1919),hair care entrepreneur
  3,Berry Gordy,(born 1929),Motown producer
  3,James West,(born 1931),microphone inventor
  3,Quincy Jones,(born 1933),music impressario
  
negative.code: 4,Holland–Dozier–Holland,(born 1939/41/41),songwriters
  4,August Wilson,(1945-2005),playwright
  4,Octavia Butler,(1947-2006),sci-fi author
  4,Benjamin Zephaniah,(born 1958),dub poet
  4,Jean-Michel Basquiat,(1960-1988),graffiti artist
  
  
  5,Chuck Berry,(1926-2017),rock'n'roll pioneer
  