The Scottish philosopher and logician George Lokert (or Lockhart, following the modern variant) was one of the most distinguished members of a group of logicians, the circle of John Mair, who were teaching and researching at the University of Paris during the first few decades of the sixteenth century. Lokert was a leading exponent of the late-terminist logic that flowered, especially in Paris, during the late fifteenth and early sixteenth centuries. The fact that his first book, Scriptum in materia noticiarum (Writing on the Subject of Notions, 1514), was published in seven editions during Lokert's lifetime is testimony to his popularity.

Lokert was born in Ayr, on the southwest coast of Scotland, to John Lokkart and Marion Multray. His mother died in 1500. Lokert entered the University of Paris, where he is listed in the "Book of Receipts" of the German Nation in the University, the "Nation" to which all...