The transparencies (which are hardly readable in the video) can be found here: www.physics.mcg... Links: translate.goog... www.timescolon... www.researchga... (Werner Israel is the father of the famous "Black Hole No Hair Theorem").
I had Dr Israel as my Prof for Physics 337 in about 1985. He was humble and never let on that he was a world leader in theoretical physics and black holes.