His grandfather was Voskan Gotogyan of Erzurum, a foundryman at the Imperial Mint.

[4] Upon his return to the Ottoman Empire in 1881 he aided in the founding of the department of sculpture at the Sanâyi-i Nefîse Mekteb-i Âlisi in 1883.

Eventually İhsan Özsoy, İsa Behzat, Mehmet Bahri and Mesrur Izzet would become Osgan Efendis first students and would be the first representatives of Turkish sculptors in sculpture history.

[2] Along with Osman Hamdi Bey, Voskan conducted the first scientific based archaeological in the history of the Ottoman Empire.

His archaeological research included the Commagene tomb-sanctuary in Nemrut Dağı in south-eastern Anatolia and the Alexander Sarcophagus in Sidon.