He is also considered a pioneer of the welfare state idea.

They consider themselves pioneers for the new generation of women.

He was considered a pioneer in establishing international business as a research area.

She is considered a pioneer in the study of natural sciences.

He and the school were considered pioneers in this regard.

She is considered a pioneer in environmental engineering and many of her methods are still used today.

He is also considered a pioneer and leader in the field of sustainable design.

He is considered a pioneer in the field of cut optical glass.

For this reason, he is considered a pioneer in the mass literacy movement.

He was considered a pioneer in the field of ethnography.