For decades, the pictures in that book lay in boxes at the photographer’s Palm Springs, Calif., residence; when he finally retrieved them, Mr. Bianchi explained last week, he was startled to discover a trove recording not merely hundreds of muscular bodies, but a record of a forgotten place and time.

Credit: Tom Bianchi

For decades, the pictures in that book lay in boxes at the photographer’s Palm Springs, Calif., residence; when he finally retrieved them, Mr. Bianchi explained last week, he was startled to discover a trove recording not merely hundreds of muscular bodies, but a record of a forgotten place and time.

Credit: Tom Bianchi