"Squadron Leader Donald 'Don' Finlay, the CO of No. 41 Squadron RAF with his Supermarine Spitfire Mk IIA at Hornchurch, Essex, January 1941." Squadron Leader D O Finlay, the Commanding Officer of No. 41 Squadron RAF and former British Olympic hurdler, standing by his Supermarine Spitfire Mark IIA, P7666 ‘EB-Z’ “Observer Corps”, at Hornchurch, Essex.