O ti di ipo orisiirisii ni eka eto idajo ki won to fi je adajo agba ni osu Agemo, odun 2006, ipo yii lo feyintin si ni odun 2007.Itokasiawon ojoibi ni 1937Awon adajo ara Naijiria.. 
He developed the Notion of oblóró Sui generis "Social facts" to delineate a unique Evçcal object for the Science of sociology to study.The variety of Posivište that remains dominant today is termed instrumental kẹ́gànvište .. 