Robin Williams was 62 in Night at the Museum: Secret of the Tomb when he played the character 'Theodore Roosevelt'.
That was over 9 years ago in 2014.
In 2014 he died aged 63, starring in 158 films in his career, 10 of those after Night at the Museum: Secret of the Tomb was first released. If he were alive today he would be 72.
In Night at the Museum: Secret of the Tomb, I think Robin Williams looks: