He has lectured widely on world economic and political issues.

In the early part of the 1980's he wrote and lectured widely about his revised ideas.

He lectures widely on garden subjects, and is the author of several gardening books.

He lectured widely on issues of corporate power, law and democracy.

As spokesman for the study, he lectured widely around the world on these findings.

He has lectured widely on his projects and related topics, particularly education.

She lectured widely on these subjects and continued writing for magazines until her death.

She lectured widely on the promotion of women's education and other social welfare activities.

Anderson wrote and lectured widely until her death in 1936, aged 73.

He also lectured widely at other universities in this country and overseas.