In 1970, he joined the University of Toronto as a lecturer.

He then joined Harvard as a lecturer in the social relations department.

He then joined the civil service as a lecturer of government college.

She joined the Indiana faculty as a lecturer in 1961 and by 1967 was a full professor in the history department.

He joined as a lecturer in the English department.

In 1963, he joined the history department at Trinity College as a lecturer.

In 1893, he joined the City College as a lecturer.

He received his doctorate in 1904 and immediately joined the faculty as a lecturer.

In 1989, he joined Harvard as a senior lecturer on education.

He taught at Columbia for more than 40 years, having joined the English department as a lecturer in 1939.