Photo series of Sir John Cass School c.1950

[DrummondStreet]

I found this series of photos taken on the roof of the Sir John Cass School.

http://spitalfieldslife.com/2012/07/27/colin-obrien-goes-back-to-school-2/

The photographer was a graduate of the Cass school and began taking photos in 1948. I wonder if he has any photos of the Square
Does anyone want to contact him?