1916-19.2 million Mr. studied at Jinling University. He not only studied modern agricultural science seriously, but also attached importance to the course of literature and history. He achieved excellent academic results and published many articles during his school days. He used to be the president of the Agriculture and Forestry Society of Jinling University, the editor-in-chief of Jin Lingguang, the chairman of student autonomy, the vice chairman of the deliberation department of the May 4th Movement, and the representative of Nanjing Student Union.

19.2 million teachers stayed in school as teaching assistants to assist Professor Qian Tianhe in the research and promotion of sericulture teaching. 192 1 was recommended by professor Qian as a technician in the raw silk inspection institute established by American silk merchants in Shanghai. From June 65438 to June 0922, he worked as an editor in Shanghai Commercial Press, responsible for editing and revising books on agriculture. 1924 65438+ 10, returned to Jinling university as the director of agricultural book research department (reorganized into agricultural history group of agricultural economics department in September 1932). In recent ten years, Mr. Wan has devoted himself to the collection, collation and research of agricultural ancient books, and at the same time has made a series of pioneering work in the research of agricultural history in China, such as setting up the course of "China Agricultural History" in Jinling University and writing a monograph on China Agricultural History. 1932, 1 1 In June, Mr. Wan became a full-time member of the National Defense Design Committee of Nanjing National Government (1935 was reorganized into the Resources Committee in June), and he mainly engaged in local tax investigation and other affairs for the next five years. 1932 ——1948 is also a professor in Nanjing (moved to Chongqing in wartime) Land Management College, Land Management Specialized Course and Land Management Department. 1947 In August, the Central Political School was changed into a national university, and Mr. Wan was appointed as a professor and head of the Department of Geology. On the eve of liberation, he insisted on attending classes with some teachers and students who opposed the school's relocation to Guangzhou until the school was dissolved in June. 1949. In the meantime, he also served as director of China Land Management Society, editor-in-chief of Land Management Monthly, tutor of China Land Management Society and director of research office, and wrote a lot of research articles. The establishment of New China created conditions for Mr. Wan to return to the study of agricultural history. 195 1 3 went to the political research institute of North China Renmin University in Beijing, and was assigned to work in the Agriculture and Forestry Department of Henan Provincial People's Government at the end of the year. 1In August, 953, he was appointed as a professor in the Department of Agriculture of Henan Agricultural College. From April 65438 to April 0954, he was transferred back to the Department of Agricultural Economics of Nanjing Agricultural University (now Nanjing Agricultural University) as a professor and director of the Agricultural History Group, responsible for the collection, collation and research of agricultural historical materials in China. In July, 1955, the Ministry of Agriculture approved the establishment of China Agricultural Heritage Research Office, with Mr. Wan as the director. 1957, after the establishment of China Academy of Agricultural Sciences, China Agricultural Heritage Research Office was incorporated into the institute and became a national specialized agricultural history research institution. After several years of investment in personnel and funds, under the leadership of Mr. Wan, the Agricultural Heritage Research Office of China has collected a large number of agricultural history research materials nationwide, which, together with the materials accumulated by the Agricultural Book Research Department of Jinling University in the 1920s and 1930s, provided good conditions for the comprehensive development of agricultural history research. Researchers have sorted out and studied ancient agricultural books and agricultural history, and achieved a number of groundbreaking academic achievements. In addition to his research work, Mr. Wan also served as a member of the first academic committee of China Academy of Agricultural Sciences, a member of Jiangsu Federation of Philosophy and Social Sciences Societies, a member of Nanjing Historical Society, a member of the first CPPCC of Nanjing, and a member of the Nanjing Revolutionary Committee of the Kuomintang of China.

While all the work was in full swing, Mr. Wan unfortunately died of illness on October 5, 2006, at the age of 66.

Mr. Wan is a famous agricultural historian in China and one of the main founders of agricultural history in China. Since the1920s, he has been engaged in the collection, arrangement and research of agricultural history materials. Thanks to the efforts of colleagues in the Agricultural Book Research Department of Jinling University (Agricultural History Department of Agricultural Economics Department) and the Agricultural Heritage Research Office of China, after more than 40 years of accumulation, he has established a set of valuable agricultural history materials, which have been well received by experts and scholars at home and abroad. He has made outstanding achievements in the study of agricultural ancient books and agricultural history in China, especially the Agricultural History of China, which he presided over, is the first book in China to systematically study the history of agricultural science and technology, and it can be called a milestone in the study of agricultural history. When Mr. Wan was young, he asked himself, "Those who are promising should be far-sighted, and should stick to good at any time and place, instead of getting shorter every day." Not afraid of the current difficulties, regardless of temporary gains and losses, often make plans for five years and ten years. "Mr. Wan struggled for the cause of agricultural history all his life, which originated from his determination to write a history of agriculture in China when he was young. After years of data accumulation, study and research, he overcame all kinds of difficulties. In his later years, he not only realized his wish, but also promoted the development of agricultural history research and laid the foundation for the discipline of agricultural history in China.

Before liberation, Mr. Wan had engaged in land management investigation, research and teaching, during which he had a good chance of promotion, but at that time he wrote his motto: indifferent to your ambition, wait and see, and stay away from it. He devoted himself to academic research, especially after liberation, devoted himself to the study of agricultural history and worked hard, and finally achieved fruitful results, which had a far-reaching impact on the academic circles of agricultural history in China.