This article reiterates a lot of the Wikipedia stuff, while contradicting the main extant source which is Deutsch himself (https://se-radio.net/2021/07/episode-470-l-peter-deutsch-on-...). Nobody really knows who wrote the first four fallacies. They were just floating around it is Deutsch who pinned them down and it was Gosling’s endorsement that made them into the shibboleth that they are.

Deutsch speculated it was "either Bill or Dick Lyon" (sic) (https://web.archive.org/web/20040203202935/http://www.aladdi...) but there has been speculation he meant Tom Lyon, who worked there at the time. Gosling had them hosted on his website for a long time (https://web.archive.org/web/20021206065457/http://java.sun.c...)