 At the peak of SPG missionary activity in India, between 1910 and 1930, more than 60 European women missionaries were at any one time employed in teaching, medical or senior administrative roles in the country.In Japan, Mary Cornwall Legh, working among Hansen's disease sufferers at Kusatsu, Gunma.She was regarded as one of the most effective Christian missionaries to have served in the Nippon Sei Ko Kai.