Antoine Blanc de Saint-Bonnet

Antoine Blanc de Saint-Bonnet (28 January 1815 – 2 June 1880) was a French philosopher whose ideas were a precursor to modern sociology. == Works == L'Unité Spirituelle (1841; Pitois, 3 vol., 1845).

Source: Wikipedia — Antoine Blanc de Saint-Bonnet (CC BY-SA 4.0)