In 1892, Jackson was one of the founding members of the "National Society for the Employment of Epileptics" (now the National Society for Epilepsy), along with Sir William Gowers and Sir David Ferrier.
En 1892, Jackson se convirtió en uno de los miembros fundadores de la "National Society for the Employment of Epileptics" (actualmente, la "National Society for Epilepsy"), junto a Sir William Gowers and Sir David Ferrier.