Dr. Ralph H. Johnson (Ph.D. 1972) is now in his 40th year
with the Department of Philosophy, University of Windsor.
Johnson has been teaching courses devoted to the improvement of
reasoning and thinking since he began at the University in 1966.
In 1971, he along with his colleague, J. Anthony Blair, started
a new approach to logic which they called informal logic. In
1977, Johnson and Blair published their text, Logical
Self-Defense (3rd edition, 1993; U.S. edition, 1994). In
1979, Johnson and Blair founded the Informal Logic
Newsletter, which became the journal, Informal Logic,
in 1985. They have been its publishers and editors from the
Johnson’s main areas of research and publication
are informal logic, the theory of argument and critical
thinking. His articles have appeared in such journals as
American Philosophical Quarterly, Synthese,
Argumentation, Philosophy and Rhetoric, Inquiry,
Communication and Cognition, Teaching Philosophy,
Protosociology, Dialogue and Informal
In 1996, a collection of his articles and papers was published
by Vale Press under the title The Rise of Informal Logic.
In 2000, his book, Manifest Rationality: A Pragmatic Study of
Argument, was published by Lawrence Erlbaum Associates.
Johnson has conducted seminars and workshops on informal logic
and critical thinking across North America and in Europe.
In 1993, Johnson received a 3M Teaching Fellowship for
outstanding university teachers, one of ten such awards
conferred that year in Canada and has been listed in the
Maclean’s University issue as one of the most popular
teachers at Windsor. In 1994, he was awarded the rank of
University Professor by the University of Windsor. In 2000, he
was awarded the Distinguished Research Award by the
International Society for the Study of Argumentation. In 2003,
he was elected a Fellow of the Royal Society of Canada. Johnson
is listed in Who’s Who in Canada.