George Alfred Leon Sarton (/ˈsɑːrtən/; 31 August 1884 – 22 March 1956), a Belgian-American chemist and historian, is considered the founder of the discipline of history of science. He has a significant importance in the history of science and his most influential work was the Introduction to the History of Science, which consists of three volumes and 4,296 pages. Sarton ultimately aimed to achieve an integrated philosophy of science that provided a connection between the sciences and the humanities, which he referred to as "the new humanism".
George Alfred Leon Sarton was born in Ghent, Belgium on August 31, 1884. His parents were Alfred Sarton and Léonie Van Halmé, his mother died when he was less than a year old. He graduated from the University of Ghent in 1906 and two years later won a gold medal for one of his papers on chemistry. He received his PhD in mathematics at the University of Ghent in 1911. He emigrated to the United States from Belgium due to First World War, and worked there the rest of his life, researching and writing about the history of science.
In 1911, he married Mabel Eleanor Elwes, an English artist. Their daughter Eleanore Marie (known as: May) was born the following year in 1912. Although he and his family emigrated to England after World War I broke out, they immigrated to the United States in 1915, where they would live for the rest of their lives. He worked for the Carnegie Foundation for International Peace and lectured at Harvard University, 1916-18. At Harvard, he became a lecturer in 1920, and a professor of the history of science from 1940 until his retirement in 1951. He was also a research associate of the Carnegie Institution of Washington from 1919 until 1948.