Daniel Rutherford
Daniel Rutherford (3 November 1749 – 15 December 1819) was a Scottish physician, chemist and botanist who is most famous for the isolation of nitrogen in 1772.
Daniel Defoe
Daniel Defoe (; c. 1660 – 24 April 1731), born Daniel Foe, was an English trader, writer, journalist, pamphleteer and spy. He is most famous for his novel "Robinson Crusoe", which is second only to the Bible in its number of translations. He has been seen as one of the earliest proponents of the English novel, and helped to popularise the form in Britain with others such as Aphra Behn and Samuel Richardson. Defoe wrote many political tracts and often was in trouble with the authorities, including a spell in prison. Intellectuals and political leaders paid attention to his fresh ideas and sometimes consulted with him.