"Magnetism" (Magnetisme) by Guy de Maupassant

Published 1882.

Donato: 19th century Belgian hypnotist Alfred D'Hont.

Charcot: Jean-Martin Charcot, a 19th century French neurologist, one of the leading pioneers of the field. Despite his work on hypnosis and hysteria.

The picture used is a promotional poster for Donato from around 1880.

To follow along: https://www.gutenberg.org/files/17377/17377-h/17377-h.htm#MAGNETISM