Charles Best (medical scientist) the pancreatic extract and monitoring glucose levels, MacLeod assigned the biochemist James Collip to the team. In January 1922, while Collip was working on insulin purification, Best and Banting administered prematurely their pancreatic extracts to 14-year-old Leonard Thompson, who suffered a severe allergic reaction. Eventually, Collip succeeded in preparing insulin in a more pure, usable form. Banting, Best and Collip shared the patent for insulin, which they sold to the University of Toronto for one dollar. In 1923, the Nobel Prize Committee honoured Banting and J. J. R. Macleod with the Nobel Prize in Medicine for the discovery of insulin,
Kolej MARA Banting the number of universities that students can apply to, in 1991 the college introduced a new pre-university programme: the IB Diploma Programme. (The IB programme is recognised for admission into universities around the world.) To accommodate the growing programmes and students, a new 84-acre campus in Banting was constructed. On 1 July 1992, the new campus started operations under the name MRSM Banting with a 71 International Baccalaureate students from MRSM Cheras and 310 GCE A-Level students from MRSM Cheras and MRSM Seremban. In 1994, the name of the junior college was changed to Kolej MARA Banting (MARA College Banting)