Hao Hu is Professor in the College of Economics and Management at Nanjing Agricultural University, China. He was the principal investigator on the project “Electronic and Database Construction of Buck’s Data” from 2012 to 2015. He specializes in animal husbandry economics and agricultural economic history, Funing Zhong is a Distinguished Professor and Vice Chairman of Academic Committee of Nanjing Agricultural University. His research interests cover agricultural production and trade, as well as rural development. The restoroation work of Buck' data was started under his lead as the Dean of the College of Economics and Management, Nanjing Agricultural University.Calum Turvey is the W.I. Myers Professor of Agricultural Finance in the Charles H. Dyson School of Applied Economics and Management, S.C. Johnson College of Business, and College of Agricultural and Life Sciences at Cornell University, USA. He is the editor of AgriculturalFinance Review and conducts research in the area of agricultural finance, risk management and agricultural policy with regional interests in the United States, China, and Sub-Saharan Africa.