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 Rutherford Haldane
His was born in Edinburgh the son of Rev James Alexander Haldane by his second wife Margaret Rutherford, a daughter of Professor Daniel Rutherford. He was educated at the High School in Edinburgh then studied medicine at the University of Edinburgh, graduating in 1848. He then undertook further postgraduate study in Vienna and Paris.