Leonard Porter AyresLeonard Porter Ayres (1879-1946) and May Ayres (1888-1953) were prominent figures in the field of education and public health. Leonard Ayres was an American statistician and educator known for his work in educational research and school surveys. May yres, his wife, was also actively involved in educational initiatives. Together, they conducted the Cleveland Education Survey, focusing on health work in public schools. Their collaborative efforts aimed to improve the health and well-being of school children through research and practical interventions. Read More Read Less