Michael Marks DavisMichael Marks Davis was born on August 19, 1879 in New York, New York. During his life span, Dr. Davis became a pioneer investigator in medical care in the United States. He studied Sociology and Economics at Columbia University and received his PhD in 1906. He was largely involved with various efforts aiming to aid social problems and their impact on the health of immigrants and people living in poverty.-University of Chicago