He left with his parents and his younger brother, Pantelis, for Istanbul, where he studied photography.

After their parents' death, the brothers returned in Kastoria.

They opened their first photographic studio there, and managed to monopolize photography in the whole region since the very beginning of their activity.

Leonidas Papazoglou died in 1918 at the age of 46, affected by the Spanish influenza epidemic, which plagued Macedonia at the time.

Media related to Leonidas Papazoglou at Wikimedia Commons