The History of Insulin By abbeyjones94 Period: Jan 1, 1900 to Apr 16, 2012 The History of Insulin Jan 1, 1921 Discovery of Insulin Insulin was discovered in 1921 by Frederick Banting, a Canadian doctor who was studying diabetes and the pancreas. Jan 11, 1922 Insulin First Used in a Human A 14-year-old boy from Canada became the first human patient to receive insulin. However, the insulin failed to work. Jan 23, 1922 Purified Insulin First Used The insulin used by Banting was purified and injected into the 14-year-old boy. His glucose levels dropped. Jan 1, 1923 Insulin Becomes Comercially Produced Eli Lilly Corporation begins to produce insulin to treat diabetics in most western countries. Jan 1, 1926 Insulin is Crystallized Insulin is crystallized by scientist JJ Abel. Jan 1, 1955 Composition of Insulin Discovered The composition of insulin was first discovered in 1955 by scientist Fredrick Sanger. Jan 1, 1957 Immunoassay Discovered In 1957, immunoassay is discovered by Solomon Berson and Rosalind Yalow. The immunoassay is able to test levels of insulin in the urine, using small concentrations of insulin. Jan 1, 1978 Synthetic Insulin First Produced In 1978, a biotechnology company called Gentech produced the first synthetic insulin, which could be distributed in large quantities. Jan 1, 1980 Insulin Becomes Widely Available After insulin was able to be synthetically produced, it became widely available to people throughout the country. Apr 16, 2012 Insulin Used Today Today, insulin is used for almost all people with diabetes. Most use the type that was created in 1978.