Air Vice-Marshal Kenneth Malise St. Clair Graeme Leask CB, MC* AMIMechE, AFRAeS (30 October 1896 – 24 April 1974) was a British officer of the Royal Air Force. He began his career as a World War I flying ace, credited with eight aerial victories. He flew over 100 sorties, and survived three forced landings. He attained the rank of captain, and position as flight commander, in No. 84 Squadron.