Hello India Four Two,
I am away from home right now with family for Christmas.
The "boffins" include my father, the young one on the extreme left. Assuming this was 1943/44, he would have been 24ish at the time.
I have the names of the other gentlemen in the photo at home and do not recall a Cunningham. I will check.
A30yoyo: to confirm the location, Heston indeed as we lived in Heston before emigrating to Canada in 1947.
As mentioned previously I have a few pages of documentation on the Turbinlite project. ???