Image: https://cdn.whensthebirthday.com/gallery/2017/1/joseph-john-thomson/30-de-abril-de-1897-j-j-thomson-anuncia-la-clasificacion-de-electrones.jpg
Joseph John Thomson
professions.scientist de Reino Unido
Image: https://cdn.whensthebirthday.com/gallery/2017/1/joseph-john-thomson/30-de-abril-de-1897-j-j-thomson-anuncia-la-clasificacion-de-electrones.jpg
professions.scientist de Reino Unido