Yes that master was called Dawson, but not sure he was maths. There was a Geordie Maths teacher called Frank Dowson though, he took us in first year. We gave him the nickname 'Jagetme', as after each line he wrote on the board , he would turn to the class a ask'Jagetme?'
I recognise a few of the lads in Unknown Team 2 and can name some.
Back row: Clarkson; Ronnie King; ? ; DAwson; Jim Butterworth; Brigg; Chappell;
Sitting: ? ; ? ; ?; ? ;?; Malc Binns.
I reckon this photo was taken in 1958 and that the team was the Colts XI