Yoneyuki Sugita is professor of history at Osaka University, Japan. He received his Ph.D. from the University of Wisconsin-Madison in 1999. He started his career as a diplomatic historian and has since been trying to combine diplomatic history and international relations with health policies in Japan. He has been conducting research on the development of Japanese health insurance programs from the 1920s through the 1950s for the last two decades using various primary documents available in Japanese. Based on his unique research approach, he has published many works in this area of research.

Chapter 1: The 1922 Japanese Health Insurance Law - Toward a Corporatist Framework.- Chapter 2: The 1922 Japanese Health Insurance Law - Toward a Corporatist Framework #2: Medical Association.- Chapter 3: Toward National Mobilization - The Establishment of National Health Insurance.- Chapter 4: Japan's Epoch-Making Healthcare Reforms of 1942 - Toward Universal Health Coverage.- Chapter 5: "Isolation" from the International Community and State of "Let a Hundred Schools of Thought Contend" under the Allied Occupation.- Chapter 6: Dodge Line.- Chapter 7: Reexamination of the "Recommendation with Respect to a Social Security System" of 1950.- Conclusion.