Richard Harris was 71 in Harry Potter and the Chamber of Secrets when he played the character 'Albus Dumbledore'.
That was over 22 years ago in 2002.
In 2002 he died aged 72, starring in 82 films in his career, 7 of those after Harry Potter and the Chamber of Secrets was first released. If he were alive today he would be 93.
In Harry Potter and the Chamber of Secrets, I think Richard Harris looks: