He became interested in university politics and was elected a representative of the university in Parliament. Later he asked friends in London to help him obtain a government appointment. The result was that in 1696, at the age of fifty-four, he left Cambridge to become warden and then master of the Mint (place where money is printed or manufactured). Newton took the job just as seriously as he had his scientific pursuits and made changes in the English money system that were effective for over one hundred years ("Isaac Newton" …show more content…
Isaac resented his stepfather and once threatened to burn the house Barnabas and the family lived in with them in it. When Rev Smith died aged 70 in 1653, Hannah returned to Woolsthorpe-by-Colsterworth, by which time Isaac was 10 years old, and returned to his mother’s household. Because his father had been a farmer, Hannah decided in 1659 that Isaac should also be a farmer, and thus took him away from his school studies. Later in his life, at the age of nineteen, Isaac grew very resentful of how his mother had left him when he was young and Hannah seemed to be more interested in her farm than in Isaac’s academic achievements. Newton never knew his father Isaac Newton Sr. because he died in October 1642, and nearly three months before Newton was born (& Grantham Matters 2017). His scientific inventions are what he is greatly known