Conversation so far:
what was Horace Plunkett trying to accomplish?
Cooperatives and Plunkett were denounced for supposedly ruining the dairy industry but the movement caught hold, with the mass of farmers benefitting.
what did he do to help the movement?
Plunkett and his colleagues including the poet and painter George William Russell (AE) made a good working team, writing widely on economic and cultural development.

Question: what project was he involved in?
Self-contained rewrite: what project was Horace Plunkett  involved in?