Six Future Historians

In recent posts, we have referred to the four Campbell future historians:

Heinlein

Asimov

Blish

Anderson

- and two successors:

Niven

Pournelle

- a tight-knit literary group.

Anderson modelled his Psychotechnic History on Heinlein's Future History and contributed:

one story to the Robots sub-series of Asimov's Foundation and Empire future history;

three stories to the Man-Kzin Wars sub-series of Niven's Known Space future history;

one story to the War World sub-series of Pournelle's CoDominium future history.

Blish adapted Star Trek: The Original Series scripts as prose short stories and wrote an original Star Trek novel whereas Niven adapted one of his own Known Space stories as an animated Star Trek episode.

Niven and Pournelle collaborated on several novels, including two volumes of Pournelle's CoDominium future history.

Pournelle and SM Stirling collaborated on at least two Man-Kzin Wars stories.

I have probably missed something.