History of the Morningside Cooperative Supermarket and Credit Union

I explored the history of our coop supermarket, which was in business from 1958–1991. We also had a credit union from 1965–1980. What happened with these organizations and why did they close?

NOTE: This is an article that recently appeared in the Morningside Gardens News, the newsletter of my housing cooperative in New York City. An expanded and updated version can be found here.