In later periods, these epistemological theories came to hold significance in both philosophy and popular belief.

He held Cicero in the highest regard in philosophy, language, and the humanities.

He held graduate degrees in engineering and in philosophy.

His brother, Michael, held a doctorate in philosophy from Cambridge University and had a career as a director of companies.

The first classes were held on March 1803, in Latin and philosophy.

Vailati held a moderate positivist view, in both science and philosophy:

He held master's degrees in arts and philosophy from New York University.

He also held a doctorate in philosophy from Harvard University.

He holds a degree in political sciences, in philosophy and in economy.

He holds a master's degree in philosophy and lives in the United States.