- Category : 1856-births
- Type : GP
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (1,7,13,20)
- Incarnation Cross : RAX Unexpected 3
French philosopher who wrote a critical essay on the hypothesis of atoms in contemporary science in 1895, with the thesis that an "atom is only a concept." This document indicates that Hannequin was one of the first, if not the first, metaphysician of our time.
He died in Pargny-sur-Saulx on 4 July 1905, aged 48.