(Note to all wikipedians and Wikipedia.com readers: This is a list of famous people whose drug problems have been discussed in public. Because this could a very controversial issue, do not write in names of people who are only suspected of being addicted to drugs. Wikipedia might be liable if the names of someone who has been only suspected of is added).
... May 21 - Robert Montgomery, actor (+ 1981)
June 2 - Johnny Weissmuller, American swimmer and actor
July 12 - Deng Xiaoping, Chinese politician and leader
July 13 - ...