Chemist, Professor, and President of the New York Metropolitan Board of Health. Professor Chandler taught at Union College before joining the faculty of Columbia University where he taught in the Chemical Department, the College of Physicians and Surgeons, and served as one of the founders and long-time Dean of Columbia University's School of Mines. He was interested in Industrial Chemistry and Public Health, serving on the New York Metropolitan Board of Health for many years and implementing a number of significant public health and public housing reforms.