He had a long career spanning over 60 years in health care and was involved in efforts to enact the Social Security system.
He was known for his activism on behalf of national health insurance and had a multifaceted career as a researcher, government administrator, and consultant.
[1][2][3] Falk was instrumental in shaping health care policy and research in the United States.
[4] He collaborated with other notable figures such as Edgar Sydenstricker and Michael M. Davis on various health care initiatives.
[8][9] After 1945 Falk conducted public health and medical care surveys for international organizations, including the World Bank, in various countries.