However, he continued to teach at the university until 1855.

He continued to teach until 1980 and gave up his private practice in 1985.

He continued to teach part time until the fall of 1986.

He taught there for the next 58 years, until his death.

She continued to teach in the college as a professor until 1949.

He taught there for ten years, from 1904 until 1914.

I will enjoy teaching you until that day, my daughter.

He later taught at the university on the same subjects until 2000.

He continued to teach until his death from a heart attack in 1972.

He taught until 1976 and died on September 21, 1980.