The link below has been marked as a bad link because it no longer seems to work. You can click on it to continue. Prepare do be disappointed.
Bad Link:
philosophy.nd.edu/people/all/profiles/plantinga-alvin
Or you can try to see if you can find it in the Internet Archive
web.archive.org/web/*/https://philosophy.nd.edu/people/all/profiles/plantinga-alvin/