Sir Nicholas Winton, who saved 669 kids in 1938

Short version
https://en.wikipedia.org/wiki/Nicholas_Winton#Rescue_work

Long version
http://www.nytimes.com/2015/07/02/world/europe/nicholas-winton-is-dead-at-106-saved-children-from-the-holocaust.html

A website dedicated to him
http://www.nicholaswinton.com/index.html

Questions:
How old was he when he rescued those kids?
Where?
What do you think?