Brandt was born in
Klein Gladebrügge on 10 April 1937. He studied
Greek,
Latin and philosophy in
Marburg,
Munich and
Paris. In 1965 he completed his doctorate on the
Aristotelian theory of judgement. His unpublished
habilitation was on
David Hume's theoretical philosophy. From 1972, Brandt was a professor of
history of philosophy at the
University of Marburg. He retired in 2003. He also taught at several other universities. His research focus was the philosophy of
Immanuel Kant. He published several articles on Kant in
Italian. Brandt died in Marburg on 17 August 2025, at the age of 88. ==References==