He became a fellow of his college in 1879, and lectured on history for four years.

Cousin continued to lecture for two and a half years after his return to the chair.

In 1857 he made another journey to England, and lectured for three years.

Working as a designer, scientist, developer, and writer, he lectured for many years around the world.

He founded the company in 1982, but has lectured internationally about design, plants and ecology for at least 35 years.

He lectured on literature for many years, both in the US and other countries.

Later, he was a teacher and also lectured for 21 years.

Smith lectured for two years, and then resigned his office.

You have been lecturing for thirty years, and where are your pupils?

He had lectured for many years in various places.