in Oxford Dictionary of National Biography
September 2004; p ublished online September 2004 .
Reference Entry. Subjects: History of Science and Technology; Pure Mathematics; Astronomy and Astrophysics. 117 words.
Greig, John (1758/9–1819), writer on arithmetic and astronomy, was a graduate of Aberdeen. By 1800 he was a private teacher of writing, geography, and mathematics in London, and he is...