He was Professor of Philosophy at the University of Toronto, where he joined the faculty on 1 July 2008.
[1] Previously, he was Professor of Logic at the London School of Economics.
In the late 1960s he had been a research assistant of Imre Lakatos at LSE.
[2] Howson's research interests included philosophy of science, logic, and foundations of probability.
[citation needed] Professor Howson was married to Margaret Morrison, a Canadian philosopher of science who was also a professor of philosophy at the University of Toronto.