Richard Burton was 39 in Who's Afraid of Virginia Woolf? when he played the character 'George'.
That was over 58 years ago in 1966.
In 1984 he died aged just 58, starring in 89 films in his career, 51 of those after Who's Afraid of Virginia Woolf? was first released. If he were alive today he would be 98.
In Who's Afraid of Virginia Woolf?, I think Richard Burton looks: