Little John Kennedy Junior (4) seems to feel the heat soon after he arrived with his mother Mrs Jacqueline Kennedy and sister Caroline (7) behind the man in uniform) , for the ceremony of unveiling by Queen Elizabeth II of the Memorial to Mrs Kenndy 's late husband President John F Kennedy . Senator Edward Kennedy (partly hidden) steps forward to greet his sister-in-law , watched by crowds gathered in the sun to see the memorial 's inauguration at Runnymede , England . 15 May 1965