The cultural history of clouds seemed to be shaped by amateurs — the likes of Luke Howard and the Honorable Ralph Abercromby — each of whom projected the ethos of his particular era onto those billowing blank slates in the troposphere. Gavin Pretor-Pinney was our era’s.

On today’s Sunday Read, the story of the Cloud Appreciation Society and how Mr. Pretor-Pinney, backed by good will, challenged the cloud authorities.

This story was written by Jon Mooallem and recorded by Audm. To hear more audio stories from publishers like The New York Times, download Audm for iPhone or Android.