13 aross, just want to confirm that the answer in Alanbrooke, as on the internet I can find no reference to him re the first workd war, also name mostly spelt with to L's, but what else can it be?
7 down - Loudspeaker for low frequencies
23 across (the big one)
In statistics, the spread of a number of events occurring randomly in a fixed time at an average rate.
41 across - resembling a gland