I remember both actors quite well. I grew up watching "Quincy, M. E." with my Grandma (I've also seen reruns of The Odd Couple as well.) Klugman was really good no matter if he was in a comedy or a drama.
So was Durning actually. I've seen him in so many film and guest star roles I've lost count. He was awesome in his own right.
So sad but at the same time, their time is done here and have earned that eternal rest.
But that doesn't stop so many from missing either of them.