During his tenure as Regius Professor , he also lectured at Oxford University as well as private tutoring across Britain .
During his tenure as Regius Professor , he also formed a strong reputation as an inspiring lecturer , later joining Glasgow 's Dialectic Society .
During his tenure as Regius Professor , he also lectured at Oxford University as well as private tutoring across Britain , and formed a strong reputation as an inspiring lecturer , later joining Glasgow 's Dialectic Society .