Bruno Latour, the French philosopher who died on 9 October 2022, was a man who lived in many different worlds.

As a “actor-network theorist,” he contended that everything, no matter how small or seemingly inconsequential, is part of intricate networks of relations. This is true regardless of the size of the thing or how trivial it may seem.

As an “immersionist,” he held the belief that rather than observing the worlds we study from above or below, we ought to fully submerge ourselves in those realms.

As a pluralist, he advised us not to reduce all of reality to just one thing, whether it be nature, culture, or society, and to instead pay respect to the many different worlds that exist.

In addition, as a public thinker and activist, he had a profound concern for the future of the planet and all of its inhabitants, both human and nonhuman.