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,
William Banting James’s Street, London, was among the most eminent companies of funeral directors in Britain. As funeral directors to the Royal Household itself, the Banting family conducted the funerals of King George III in 1820, King George IV in 1830, the Duke of Gloucester in 1834, the Duke of Wellington in 1852, Prince Albert in 1861, Prince Leopold in 1884, Queen Victoria in 1901, and King Edward VII in 1910. The royal undertaking warrant for the Banting family eventually ended in 1928 with the retirement of William Westport Banting. In 1863, Banting wrote a booklet called "Letter on Corpulence, Addressed to