He received further academic recognition , including five further honorary degrees , the Gold Medal of the Royal Astronomical Society ( 1985 ) , the Paul Dirac Medal ( 1987 ) and , jointly with Penrose , the prestigious Wolf Prize ( 1988 ) .
[ 221 ] [ 222 ] He received further academic recognition , including five further honorary degrees , [ 218 ] the Gold Medal of the Royal Astronomical Society ( 1985 ) , [ 223 ] the Paul Dirac Medal ( 1987 ) [ 218 ] and , jointly with Penrose , the prestigious Wolf Prize ( 1988 ) .