In 1930 , however , he left the civil service to become Head of the Department of Philosophy and Psychology at Birkbeck College , University of London .
Job interviews proved a great difficulty for Joad , due to his flippancy .
In 1930 , however , Joad left the civil service to become Head of the Department of Philosophy and Psychology at Birkbeck College , University of London .
Job interviews proved a great difficulty for Joad , due to his flippancy .