I distinctly remember some of his stories, in particular "Heresies of the Huge God" https://archive.org/details/Galaxy_v24n06_1966-08 https://archive.org/detail

I distinctly remember some of his stories, in particular "Heresies of the Huge God" https://archive.org/details/Galaxy_v24n06_1966-08 https://archive.org/details/Galaxy_v24n06_1966-08 and "Confluence", which is structured as a glossary for an alien culture. "Hothouse" is quite a fun read as well.