Thirty years prior to Dennis Healy being Chancellor of the Exchequer he was a member of the Communist Party of GB. It didn't make him a communist in the 70's though
A propos of nothing, but I suspect Boris might have employed him as the negotiator with Barnier. When negotiating with the IMF in 1976, it is on the record that when Dr Johannes Wittveen (head of the IMF) attempted to impose last minute additional conditions on the loan ‘the Chancellor said that Dr Wittveen could take a running jump.’
The additional conditions were dropped...