Richard Briers' health deteriorated after being diagnosed with emphysema five years ago.
In an interview at the end of January, he told how he blamed his years of smoking for the condition.
"It's totally my fault. So, I get very breathless, which is a pain in the backside. Trying to get upstairs... oh God, it's ridiculous.
"Of course, when you're bloody nearly 80 it's depressing, because you've had it anyway."
More top news
The study, conducted by the European Banking Authority, looked at how much capital would be used up in adverse economic conditions.
The victims were playing the popular game in Whittington Park in Holloway on Tuesday night, when three males suspects approached them.
A former Royal Marine who was recently engaged has been killed in a climbing accident in the French Alps.