GREGORY, the name of a Scottish family, many members of which attained high eminence in various departments of science, sixteen having held professorships. Of the most distinguished of their number a notice is given below.
I. DAVID GREGORY (1628-1720), eldest son of the Rev. John Gregory of Drum oak, Aberdeenshire, was born in Kinardie he returned to Scotland, and occupied most of his been the first possessor of a barometer in the north of Scotland; and on account of his success by means of it in predicting changes in the weather, he was accused of witchcraft before the presbytery of Aberdeen, but he succeeded in convincing that body of his innocence. He died, in 1720.